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Another round of extensive edits to the WSJT-X User's Guide.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3658 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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@ -2,18 +2,18 @@
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Many users of WSJT, too numerous to mention here individually, have
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contributed suggestions and advice that have greatly aided the
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development of {wsjtx} and its sister programs. Since 2005 the
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overall project (including WSJT, MAP65, WSPR, {wsjtx}, and WSPR-X) has
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development of _WSJT-X_ and its sister programs. Since 2005 the
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overall project (including WSJT, MAP65, WSPR, _WSJT-X_, and WSPR-X) has
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been “open source”, with all code licensed under the GNU Public
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License (GPL).
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For {wsjtx} in particular, we acknowledge contributions from *AC6SL,
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For _WSJT-X_ in particular, we acknowledge contributions from *AC6SL,
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AE4JY, DJ0OT, G4KLA, G4WJS, K3WYC, KA6MAL, KA9Q, KI7MT, KK1D, PY2SDR,
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VK3ACF, VK4BDJ, and W4TV*. Each of these amateurs has helped to bring
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the program’s design, code, and documentation to its present
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state.
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Most of the color palettes for the {wsjtx} waterfall were copied from
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Most of the color palettes for the _WSJT-X_ waterfall were copied from
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the excellent, well documented, open-source program _fldigi_, by *W1HKJ*
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and friends.
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|
@ -2,5 +2,5 @@
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The Band Settings tab allows you to set the default frequency and a
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brief description of your antenna for each amateur band. The antenna
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information will be included with reception reports, if they have been
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enabled.
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information will be included with reception reports to {pskreporter},
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if they have been enabled.
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@ -1,20 +1,19 @@
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// Status=review
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To set the proper level of audio drive from {wsjtx} to your radio:
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To set the proper level of audio drive from _WSJT-X_ to your radio:
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* Click the Tune button on the main screen.{wsjtx} should set the
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radio into transmit mode and generate a steady audio tone at the
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amplitude that will be used for a generated JT9 signal.
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* Click the *Tune* button on the main screen._WSJT-X_ to switch the
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radio into transmit mode and generate a steady audio tone.
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* Listen to the generated audio tone using your radio’s Monitor
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facility. The tone should be perfectly smooth, with no clicks or
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glitches.
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* Open the computer’s audio mixer controls for output (“playback”)
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devices and adjust the volume slider downward from 100% until the RF
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output from your transmitter falls by around ten percent. This will
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be a good level for audio drive.
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* Open the computer’s audio mixer controls for output (“Playback”)
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devices and adjust the volume slider downward from its maximum until
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the RF output from your transmitter falls by around ten percent. This
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will be a good level for audio drive.
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* Alternatively, you can make the same adjustment using the digital
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slider labeled *Pwr* at the right edge of the main window.
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* Toggle the Tune button once more to stop your test transmission.
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* Toggle the *Tune* button once more to stop your test transmission.
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@ -1,29 +1,30 @@
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// Status=review
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Start {wsjtx} and Select Configuration from its Setup menu. Enter
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- Start _WSJT-X_ and Select Configuration from its Setup menu. Enter
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the following information:
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- *Call Sign*: <Your Call Sign>
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- *Grid*: <Your Maidenhead Locator>
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- *PTT method*: choose from RTS, DTR, CAT, VOX, or None.
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- *PTT port*: if you will use RTS or DTR, choose a serial port.
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- *PSK Reporter*: check to enable sending reception reports to the
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* *Call Sign*: <Your Call Sign>
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* *Grid*: <Your Maidenhead Locator>
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* *PTT method*: choose from RTS, DTR, CAT, VOX, or None.
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* *PTT port*: if you will use RTS or DTR, choose a serial port.
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* *PSK Reporter*: check to enable sending reception reports to the
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{pskreporter} mapping facility.
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- *CW ID*: Check to send your callsign in CW after sending 73.
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- *CW Interval*: set the time interval for sending your CW identification.
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* *CW ID*: Check to send your callsign in CW after sending 73.
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* *CW Interval*: set the time interval for sending your CW identification.
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Default is 0 (never).
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{wsjtx} does not implement full transceiver control, but it provides a
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way to ensure that {wsjtx} can read and set the radio’s dial
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_WSJT-X_ does not implement full transceiver control, but it provides a
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way to ensure that _WSJT-X_ can read and set the radio’s dial
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frequency. If you want this capability:
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- Check the box Enable CAT
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- Check the box *Enable CAT*
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- Select your radio type from a drop-down list
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- Select a CAT port (not the same port selected for PTT control)
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- Set port parameters for your radio
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- If you use {dxlcommander} by DX Lab or {hrd} to control your
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transceiver, you can configure {wsjtx} to communicate with the radio
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through that program. Entries for these programs appear at the end of
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the drop-down list of supported radios.
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- Select a *CAT port* (not the same port selected for PTT control)
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- Set port parameters (*Serial rate*, *Handshake*, *Data bits*, *Stop
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bits*) for your radio
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- If you use {dxlcommander} or {hrd} to control your transceiver, you
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can configure _WSJT-X_ to communicate with the radio through that
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program. Entries for these programs appear at the end of the
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drop-down list of supported rigs.
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[[X11]]
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image::images/r3563-config-screen-80.png[align="center",alt="Configuration Screen"]
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@ -33,35 +34,35 @@ control, most radios will allow you to set *PTT method* = CAT. Some
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radios support two types of PTT assertion via CAT control: one takes
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audio input from the Mic connector, the other from a rear-panel Data
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connector. The simplest CAT configuration sets *Polling interval* = 0
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(no polling the radio for dial frequency). {wsjtx} will then be able
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(no polling the radio for dial frequency). _WSJT-X_ will then be able
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to set the radio’s frequency, but the program will be unaware of
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subsequent changes made using the radio’s panel controls.
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TIP: If you need an additional item in the list of devices for the
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CAT port, edit the configuration file wsjtx.ini and add your
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requirement as CATdriver=yourdriver (for example,
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CATdriver=/dev/ttyUSBserial ) in the group of entries marked
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CATdriver=/dev/tty.usbserial ) in the group of entries marked
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[Common].
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With most radios you can set *Polling interval* to a small number (say
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1 – 3 s) and the program will follow any frequency changes made at the
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radio. Note that you may not be able simultaneously to control your
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radio from {wsjtx} and from another program. Some experimentation may
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radio from _WSJT-X_ and from another program. Some experimentation may
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be required, and you may need to refer to the documentation for your
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rig-control software and your radio. It is best to have the radio and
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any interface equipment turned on and connected before starting
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{wsjtx}, and to exit the program before turning your equipment off.
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_WSJT-X_, and to exit the program before turning your equipment off.
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- Click the *Test CAT Control* and Test PTT buttons to see that you
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- Click the *Test CAT Control* and *Test PTT* buttons to see that you
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have established the desired control of station functions. _ Select
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the devices you will use for Audio input and output.
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- Click OK to dismiss the Configuration window.
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- Click OK to dismiss the *Configuration* window.
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- {wsjtx} expects your sound card to do its raw sampling at 48000 Hz.
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- _WSJT-X_ expects your sound card to do its raw sampling at 48000 Hz.
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To ensure that this will be so when running under recent versions of
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Windows, open the system's Sound control panel and select in turn the
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“Recording” and “Playback” options. Click on Properties, then
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Advanced, and select “16 bit, 48000 Hz (DVD Quality).”
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Windows, open the system's sound control panel and select in turn the
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*Recording* and *Playback* options. Click on *Properties*, then
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*Advanced*, and select “16 bit, 48000 Hz (DVD Quality).”
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CAUTION: If you are using a sound card that is also the default device
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for Windows sounds, be sure to turn off all such sounds so they are
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@ -1,7 +1,6 @@
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// Status=review
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TX Macros are an aid for sending commonly used free-text messages.
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*Tx Macros* are an aid for sending commonly used free-text messages.
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To enable a pull-down selection, add your custom messages to the entry
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fields provided. Remember that the maximum free-text message length
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is 13 characters. You access your macros by selecting Tx message #5
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(or the Free MSG Radio Button) on the main window, then right-click to
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select the message to be sent.
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fields provided. The maximum free-text message length in JT65 and JT9
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is 13 characters.
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@ -3,16 +3,16 @@ At the center of the main window are a number of controls you will
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use when making QSOs:
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//.Misc Controls Center
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image::images/misc-controls-center.png[align="left",alt="Misc Controls Center"]
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image::images/misc-controls-center.png[align="center",alt="Misc Controls Center"]
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* Select *Tx even* to transmit in even-numbered UTC minutes. Uncheck
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this box to transmit in the odd intervals. This selection is made
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automatically when you double-click on a decoded text line as
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described in the Basic Operating Tutorial, Sections 5.1 thru 5.8.
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described in the Basic Operating Tutorial.
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* Your audio Tx and Rx frequencies are displayed and can be adjusted
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with spinner controls. These settings are usually handled
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automatically by the double-click procedure.
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* Your audio Tx and Rx frequencies can be adjusted with spinner
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controls. These settings are usually handled automatically by the
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double-click procedure.
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* The on-the-air frequency of your lowest JT9 or JT65 tone is the sum
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of dial and audio frequencies. You can force Tx frequency to the
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@ -22,7 +22,7 @@ always track one another.
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* The *Report* control lets you change a signal report that has been
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inserted automatically. Most reports will fall in the range –26 to
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\+10 dB. Remember that JT65 reports cannot be greater than -1 dB.
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+10 dB. Remember that JT65 reports cannot be greater than -1 dB.
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IMPORTANT: When signals are close to or above 0 dB, you and your QSO
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partner should probably reduce power. JT65 and JT9 are supposed to be
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@ -1,23 +1,24 @@
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// Status=review
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Controls related to: *date*, *time*, *frequency*, *Rx Audio Level*,
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and the *Station Being Worked* are found at lower left of the main
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window:
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Controls related to band and frequency selection, receiver audio
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level, the station being worked, and date and time are found at lower
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left of the main window:
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//.Misc Controls Left
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image::images/misc-main-ui.png[align="center",alt="Mist Menu Items"]
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* The drop-down *Band* selector at upper left lets you select the
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* The drop-down band selector at upper left lets you select the
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operating band and sets dial frequency to a default value taken from
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the *Default Frequencies* tab on the *Setup | Configuration* screen.
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* If you are using CAT control, a small colored square appears in
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green if the CAT control is two-way between {wsjtx} and your radio, or
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orange if the control is only from program to radio. You can request
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green if the CAT control is two-way between _WSJT-X_ and your radio, or
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orange if the control is only from program to radio. (You can request
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a one-time interrogation of the radio’s dial frequency by clicking on
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the orange square. The square becomes red if you have requested CAT
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control but communication with the radio has been lost. If the
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*Dx Grid* is known, the great-circle azimuth and distance are given.
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the orange square.) The square becomes red if you have requested CAT
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control but communication with the radio has been lost. If the
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locator *Dx Grid* is known, the great-circle azimuth and distance are
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displayed.
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* The program can keep a database of call-signs and locators for
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future reference. Click *Add* to insert the present call and locator in
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@ -7,9 +7,9 @@ image::images/main-ui-controls.png[align="left",alt="Main UI Controls"]
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* *Log QSO* pops up a confirmation screen pre-filled with known
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information about a QSO you have nearly completed. You can edit or
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add to this information before clicking OK to log the QSO. If you
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select ``Prompt me to log QSO'' on the Setup menu, the program will
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pop up the confirmation screen automatically when you send a ``73'' or
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add to this information before clicking *OK* to log the QSO. If you
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check *Prompt me to log QSO* on the *Setup* menu, the program will pop
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up the confirmation screen automatically when you send a 73 or
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free-text message.
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//.Log QSO Window
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@ -21,24 +21,25 @@ and explore previously recorded audio files.
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* *Monitor* restarts normal receive operation. This button is
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highlighted in green when the program is receiving.
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* *Erase* clears the right (*Rx frequency*) window. Double-clicking
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*Erase* clears both text windows.
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* *Decode* tells the program to repeat the decoding procedure at the
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Rx frequency (green marker on waterfall), using the most recently
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completed sequence of Rx data.
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* *Erase* clears the right (Rx frequency) window. Double-clicking
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Erase clears both text windows.
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* *Tune* may be used to switch into Tx mode and generate an
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unmodulated carrier at the specified Tx frequency (red marker on
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waterfall). This process may be seful for adjusting an antenna tuner,
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for example, toggle the button a second time to terminate the Tune
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process.
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completed sequence of Rx data.
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* *Enable Tx* puts the program into automatic Rx/Tx sequencing mode
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and highlights the button in red. A transmission will start at the
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beginning of the selected (odd or even) sequence, or immediately if
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appropriate.
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appropriate. A transmission will not be started any later than 24 s
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into a UTC minute.
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* *Halt Tx* terminates a transmission in progress and disables
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automatic Rx/Tx sequencing.
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* *Tune* may be used to switch into Tx mode and generate an
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unmodulated carrier at the specified Tx frequency (red marker on
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waterfall). This process may be useful for adjusting an antenna
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tuner. Toggle the button a second time to terminate the *Tune*
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process.
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@ -1,12 +1,11 @@
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// Status=review
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Two configurations of controls are provided for generating and
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selecting Tx messages.
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Traditional controls (carried over from program WSJT) appear on *Tab
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1* and provide six fields for message entry. Pre-formatted messages
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for the standard minimal QSO are generated when you click *Generate
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Std Msgs* or when you double-click on an appropriate line of decoded
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text.
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Two arrangements of controls are provided for generating and selecting
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Tx messages. Traditional controls carried over from program _WSJT_
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appear on *Tab 1* and provide six fields for message entry.
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Pre-formatted messages for the standard minimal QSO are generated when
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you click *Generate Std Msgs* or when you double-click on an
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appropriate line in one of the decoded text windows.
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//.Traditional Message Menu
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image::images/traditional-msg-box.png[align="center",alt="Traditional Message Menu"]
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@ -15,22 +14,22 @@ image::images/traditional-msg-box.png[align="center",alt="Traditional Message Me
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Tx sequence) by clicking on the circle under *Next*.
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* To change to a specified Tx message immediately, click on a
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rectangular button (e.g., Tx 3) under the *Now* label. Changing Tx
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messages after a transmission has started reduces the chance of a
|
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correct decode, but in the first 10 s of a Tx period it will probably
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succeed.
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rectangular button under the *Now* label. Changing a Tx message
|
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already underway reduces the chance of a correct decode, but will
|
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probably succeed if done in the first 10 s of a Tx period.
|
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* Right-clicking on the entry field for message #5 pops up a list of
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free-text messages entered on the *Setup | Configuration | Tx Macros*
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dialog window. You can select any of these pre-stored messages with
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the left mouse button.
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tab. You can select any of these pre-stored messages by using the
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left mouse button.
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*Tab 2* of the Message Control Panel looks like this:
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The second arrangement of controls for generating and selecting
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Tx messages appears on *Tab 2* of the Message Control Panel:
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||||
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//.New Message Menu
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image::images/new-msg-box.png[align="center",alt="New Message Menu"]
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With this setup you will normally follow a top-to-bottom sequence of
|
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With this setup you normally follow a top-to-bottom sequence of
|
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transmissions from the left column if you are calling CQ, or the right
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column if you are answering a CQ. Clicking a button puts the
|
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appropriate message in the *Gen Msg* box. If you are already
|
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@ -38,8 +37,6 @@ transmitting, it changes the Tx message immediately. You can enter
|
||||
anything (up to 13 characters) in the *Free Msg* box. Right-clicking on
|
||||
this entry field pops up your previously defined list of *Tx Macros*.
|
||||
|
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IMPORTANT: WIth either of the message-control tabs, the actual message
|
||||
being transmitted always appears highlighted in yellow in the first
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box of the status bar, at bottom left of the main screen.
|
||||
|
||||
|
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IMPORTANT: During a transmission the actual message being sent always
|
||||
appears highlighted in yellow in the first box of the status bar
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(bottom left of the main screen).
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||||
|
@ -1,32 +1,41 @@
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// Status=review
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||||
The following controls appear at the bottom of the Wide Graph window:
|
||||
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||||
image::images/wide-graph-controls.png[align="left",alt="Wide Graph Controls"]
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||||
The following controls appear at the bottom of the Wide Graph window.
|
||||
With the exception of *JT65 nnnn JT9*, they affect only the graphical
|
||||
displays — they have no effect on the decoding process.
|
||||
|
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* *FFT Bins/Pixel* controls the displayed frequency resolution. Set
|
||||
image::images/wide-graph-controls.png[align="center",alt="Wide Graph Controls"]
|
||||
|
||||
- *Bins/Pixel* controls the displayed frequency resolution. Set
|
||||
to 1 for the highest possible resolution, or to higher values to
|
||||
compress the spectral display. Normal operation with a convenient
|
||||
window size works well at 2 to 8 bins per pixel.
|
||||
|
||||
* *N Avg* is the number of successive FFTs to be averaged before
|
||||
- *JT65 nnnn JT9* sets the dividing point for wide-band decoding of
|
||||
JT65 and JT9 signals in JT9+JT65 mode. The decoder looks for JT65
|
||||
signals below nnnn Hz and JT9 signals above that frequency.
|
||||
|
||||
- *Start nnn Hz* sets the low-frequency starting point of the
|
||||
waterfall frequency scale.
|
||||
|
||||
- *N Avg* is the number of successive FFTs to be averaged before
|
||||
updating the spectral display. Values around 5 are suitable for
|
||||
normal JT9 and JT65 operation.
|
||||
|
||||
* *Gain* and *Zero* control the scaling and reference level for
|
||||
- *Zero* and *Gain* control the scaling and reference level for
|
||||
waterfall colors. Values around 0 for both parameters are usually
|
||||
about right, depending on the input signal level and your own
|
||||
preferences.
|
||||
|
||||
* *JT65 nnnn JT9* sets the dividing point for wide-band decoding of
|
||||
JT65 and JT9 signals in JT9+JT65 mode. The decoder looks for JT65
|
||||
signals below nnnn Hz and JT9 signals above that frequency.
|
||||
- *Palette* lets you select from a number of waterfall color palettes.
|
||||
|
||||
* *Current / Cumulative* controls the graphical display in the bottom
|
||||
one-third of the Wide Graph window. ** Current is the average
|
||||
spectrum over the most recent N Avg FFT calculations. ** Cumulative
|
||||
is the average spectrum since the start of the current Rx sequence.
|
||||
- Check the *Flatten* box to have _WSJT-X_ compensate for uneven
|
||||
spectral response across the received passband.
|
||||
|
||||
- You can select *Current* or *Cumulative* for the spectrum displayed
|
||||
in the bottom one-third of the Wide Graph window. *Current* is the
|
||||
average spectrum over the most recent *N Avg* FFT calculations.
|
||||
*Cumulative* is the average spectrum since the start of the current
|
||||
minute.
|
||||
|
||||
* With the exception of *JT65 nnnn JT9*, controls on the Wide Graph
|
||||
window affect only the graphical displays — they have no effect
|
||||
on the decoding process.
|
||||
|
||||
|
@ -1,11 +1,13 @@
|
||||
// Status=review
|
||||
- User control of font sizes can be effected by using a text editor
|
||||
(Windows Notepad or similar) to create a one-line file named fonts.txt
|
||||
in the wsjtx directory. A single line of text should contain four
|
||||
numbers separated by spaces. The first two control the font size (in
|
||||
points) and weight (on a 0 – 100 scale) of most GUI labels. The last
|
||||
two numbers control size and weight of text in the Band Activity and
|
||||
Rx Frequency windows.
|
||||
|
||||
- You can control the program's font sizes by using a text editor
|
||||
(e.g., Windows Notepad or similar) to create a one-line file named
|
||||
+fonts.txt+ in the _WSJT-X_ installation directory. Enter a single
|
||||
line of text with four numbers separated by spaces. The first two
|
||||
numbers control the font size (in points) and weight (on a 0 – 100
|
||||
scale) of most labels on the user interface. The last two numbers
|
||||
control size and weight of text in the *Band Activity* and *Rx
|
||||
Frequency* windows.
|
||||
|
||||
- The default is ``8 50 10 50''. If you need larger fonts and bold
|
||||
text in the decode windows, try ``10 50 12 100'' (without the quotes).
|
||||
|
@ -3,8 +3,8 @@
|
||||
// to a very old src version of WSJT 5.7 or so. WSJTX is not listed at all.
|
||||
// Also, all the Qt4 stuff is now obsolete, and needs to be updated.
|
||||
|
||||
{wsjtx} is an open-source program released under the GNU General
|
||||
Public License. Source code is available from the public repository
|
||||
_WSJT-X_ is an open-source program released under the GNU General
|
||||
Public License (GPL). Source code is available from the public repository
|
||||
at {devsvn}. To compile the program you will need to install the
|
||||
following packages:
|
||||
|
||||
@ -14,9 +14,10 @@ following packages:
|
||||
- gfortran or g95
|
||||
- fftw3
|
||||
- hamlib
|
||||
- MinGW (Windows only)
|
||||
- MinGW (for Windows only)
|
||||
|
||||
The full source code for {wsjtx} can be downloaded with the command:
|
||||
With Subversion installed, the full source code for _WSJT-X_ can be
|
||||
downloaded with the command:
|
||||
|
||||
$ svn co svn://svn.berlios.de/wsjt/branches/wsjtx
|
||||
|
||||
|
@ -1,6 +1,14 @@
|
||||
// Status=review
|
||||
|
||||
- Read the OS X installation instructions {osx-instructions}.
|
||||
- Download the required installation package
|
||||
Separate compiled versions of _WSJT-X_ are available for OS X 10.6
|
||||
through 10.8, and OS X 10.9. The two versions are not interchangeable.
|
||||
|
||||
- Select the correct package for your OS X and download it to your desktop.
|
||||
|
||||
- Double-click on the file to see a new folder, +WSJT-X+. Drop down
|
||||
into that folder, where the +Readme+ file provides detailed instructions
|
||||
on how to configure your system for _WSJT-X_.
|
||||
|
||||
- Some additional information can be found {osx-instructions}.
|
||||
* {osx-108}
|
||||
* {osx-109}
|
||||
* {osx-109}
|
||||
|
@ -1,6 +1,6 @@
|
||||
// Status=review
|
||||
- Installation packages for Ubuntu 12.04, 12.10, 13.04, 13.10 are
|
||||
available at {launchpadurl}
|
||||
available at {launchpadurl}.
|
||||
|
||||
- If you have not before obtained packages from the Personal Package
|
||||
Archive (PPA) at the above link, execute the following instruction at
|
||||
@ -8,12 +8,12 @@ the command prompt:
|
||||
|
||||
$ sudo add-apt-repository ppa:jnogatch/wsjtx
|
||||
|
||||
- Accept the PPA Key, then:
|
||||
- Accept the PPA Key, then issue these commands:
|
||||
|
||||
$ sudo apt-get update
|
||||
$ sudo apt-get install wsjtx
|
||||
|
||||
- Download the soft-decision Reed Solomon decoder {kvasd} and put it
|
||||
in the same directory as the executable binaries wsjtx and
|
||||
jt9. Normally (fter you have run the script /usr/bin/wsjtx at least
|
||||
once) this directory will be $HOME/.wsjtx.
|
||||
- Download the soft-decision Reed Solomon decoder, {kvasd}, and put it
|
||||
in the same directory as the executable binaries +wsjtx+ and
|
||||
+jt9+. Normally (after you have run the script +/usr/bin/wsjtx+ at
|
||||
least once) this directory will be +$HOME/.wsjtx+.
|
||||
|
@ -2,12 +2,13 @@
|
||||
- Execute the downloaded file and follow its installation
|
||||
instructions.
|
||||
|
||||
- Install {wsjtx} into its own directory rather than the conventional
|
||||
C:\Program Files\WSJTX. The suggested default directory is C:\WSJTX.
|
||||
- Install _WSJT-X_ into its own directory rather than the conventional
|
||||
location +C:\Program Files\WSJTX+. The suggested default directory is
|
||||
+C:\WSJTX+.
|
||||
|
||||
- All files relating to {wsjtx} will be stored in your chosen
|
||||
- All files relating to _WSJT-X_ will be stored in your chosen
|
||||
installation directory and its subdirectories. You can uninstall
|
||||
{wsjtx} by removing the installation directory and its contents.
|
||||
_WSJT-X_ by removing the installation directory and its contents.
|
||||
|
||||
- The built-in Windows facility for time synchronization is usually
|
||||
not adequate. We recommend Meinberg NTP: see {ntpsetup} for
|
||||
|
@ -1,5 +1,5 @@
|
||||
// Status=review
|
||||
After installing {wsjtx} as described in <<X3, Installation>>, the
|
||||
After installing _WSJT-X_ as described in <<X3, Installation>>, the
|
||||
following files will be present in the installation directory:
|
||||
|
||||
.Files Present After Installation
|
||||
@ -42,8 +42,8 @@ following files will be present in the installation directory:
|
||||
|save|Directory for saved .wav files
|
||||
|shortcuts.txt|Keyboard shortcuts
|
||||
|unins000.dat|Uninstall Data File
|
||||
|unins000.exe|Executable for uninstalling {wsjtx}
|
||||
|unins000.exe|Executable for uninstalling _WSJT-X_
|
||||
|wsjt.ico|WSJT icon
|
||||
|wsjtx.exe|Executable for {wsjtx}
|
||||
|wsjtx.exe|Executable for _WSJT-X_
|
||||
|========
|
||||
|
||||
|
@ -1,11 +1,11 @@
|
||||
// Status=review
|
||||
{wsjtx} is a computer program designed to facilitate basic amateur
|
||||
_WSJT-X_ is a computer program designed to facilitate basic amateur
|
||||
radio communication using very weak signals. The first four letters
|
||||
in the program name stand for “Weak Signal communication by K1JT”, and
|
||||
the “-X” suffix indicates that {wsjtx} started as an extended (and
|
||||
experimental) branch of program WSJT.
|
||||
the “-X” suffix indicates that _WSJT-X_ started as an extended (and
|
||||
experimental) branch of program _WSJT_.
|
||||
|
||||
{wsjtx} offers two protocols or “modes,” JT9 and JT65. Both are
|
||||
_WSJT-X_ offers two protocols or “modes,” JT65 and JT9. Both are
|
||||
designed for making reliable, confirmed QSOs under extreme weak-signal
|
||||
conditions. They use nearly identical message structure and source
|
||||
encoding. JT65 was designed for EME (“moon-bounce”) on the VHF/UHF
|
||||
@ -18,17 +18,17 @@ six minutes — two or three transmissions by each station, one sending
|
||||
in odd UTC minutes and the other even. World-wide QSOs are possible
|
||||
with power levels of a few watts and compromise antennas.
|
||||
|
||||
Starting with version 1.1, {wsjtx} can display a bandpass as large as
|
||||
5 kHz and provide dual-mode reception of both JT65 and JT9 signals.
|
||||
If your receiver can be configured with at least 4 kHz bandwidth in
|
||||
USB mode, you can set your dial frequency to one of the standard JT65
|
||||
frequencies — for example, 14.076 MHz for 20 meters — and have the
|
||||
full JT65 and JT9 sub-bands displayed simultaneously on the waterfall.
|
||||
You can make QSOs in both modes using nothing more than mouse clicks.
|
||||
_WSJT-X_ can display a bandpass as large as 5 kHz and transparently
|
||||
provides dual-mode reception of both JT65 and JT9 signals. If your
|
||||
receiver can be configured with at least 4 kHz bandwidth in USB mode,
|
||||
you can set the dial frequency to one of the standard JT65 frequencies
|
||||
— for example, 14.076 MHz for the 20-meter band — and have the full
|
||||
JT65 and JT9 sub-bands displayed simultaneously on the waterfall. You
|
||||
can then make QSOs in both modes using nothing more than mouse clicks.
|
||||
|
||||
Plans for future program development call for {wsjtx} and WSJT to
|
||||
merge together: {wsjtx} will gradually acquire the additional modes
|
||||
JT4, FSK441, and ISCAT that are now supported in WSJT. The entire
|
||||
Plans for future program development call for _WSJT-X_ and _WSJT_ to
|
||||
merge together: _WSJT-X_ will gradually acquire the additional modes
|
||||
JT4, FSK441, and ISCAT that are now supported in _WSJT_. The entire
|
||||
WSJT-related effort is an open-source project. If you have
|
||||
programming or documentation skills or would like to contribute to the
|
||||
project in other ways, please make your interests known to the
|
||||
|
@ -9,21 +9,22 @@ modes are essentially the same length, and both modes use exactly 72
|
||||
bits to carry message information. At the user level the two modes
|
||||
support nearly identical message structures.
|
||||
|
||||
JT65 signal reports are constrained to the range –1 to –30 dB — more
|
||||
than adequate for EME purposes, but not enough dynamic range for ideal
|
||||
use at HF and below. S/N values displayed by the JT65 decoder are
|
||||
clamped at an upper limit –1 dB, because that’s all the original
|
||||
protocol can handle. Moreover, the S/N scale in present JT65 decoders
|
||||
becomes increasingly nonlinear above –10 dB. By comparison, JT9
|
||||
allows for signal reports in the range –50 to +49 dB. It manages this
|
||||
by co-opting a small portion of ``message space'' that would otherwise
|
||||
be used for grid locators within 1 degree of the south pole. The S/N
|
||||
scale of the present JT9 decoder is reasonably linear (although it’s
|
||||
not intended as a precision measurement tool). With clean signals and
|
||||
a clean nose background, JT65 achieves nearly 100% probability of
|
||||
correct decoding down to S/N = –22 dB and 50% at –24 dB. JT9 is about
|
||||
2 dB better, achieving 50% decoding at about –26 dB. Both modes
|
||||
produce extremely low false-decode rates.
|
||||
JT65 signal reports are constrained to the range –1 to –30 dB. This
|
||||
range is more than adequate for EME purposes, but not enough for
|
||||
optimum use at HF and below. S/N values displayed by the JT65 decoder
|
||||
are clamped at an upper limit –1 dB. Moreover, the S/N scale in
|
||||
present JT65 decoders is nonlinear above –10 dB.
|
||||
|
||||
By comparison, JT9 allows for signal reports in the range –50 to +49
|
||||
dB. It manages this by taking over a small portion of ``message
|
||||
space'' that would otherwise be used for grid locators within 1 degree
|
||||
of the south pole. The S/N scale of the present JT9 decoder is
|
||||
reasonably linear (although it’s not intended to be a precision
|
||||
measurement tool). With clean signals and a clean nose background,
|
||||
JT65 achieves nearly 100% probability of correct decoding down to
|
||||
S/N = –22 dB and about 50% at –24 dB. JT9 is about 2 dB better,
|
||||
achieving 50% decoding at about –26 dB. Both modes produce extremely
|
||||
low false-decode rates.
|
||||
|
||||
Early experience suggests that under most HF propagation conditions
|
||||
the two modes have comparable reliability. The tone spacing of JT9 is
|
||||
|
@ -1,26 +1,25 @@
|
||||
// Status=review
|
||||
//Needs work!
|
||||
.JT9 Protocol and Implementation
|
||||
|
||||
JT9 is a mode designed for making minimal QSOs at LF, MF, and HF. It
|
||||
uses 72-bit structured messages that are nearly identical (at the user
|
||||
level) to those in JT65. Error control coding (ECC) uses a strong
|
||||
uses 72-bit structured messages nearly identical (at the user level)
|
||||
to those in JT65. Error control coding (ECC) uses a strong
|
||||
convolutional code with constraint length K=32, rate r=1/2, and a zero
|
||||
tail, leading to an encoded message length of (72+31) × 2 = 206
|
||||
information-carrying bits. Modulation is 9-FSK: eight tones are used
|
||||
for data, one for synchronization. Sixteen symbol intervals are
|
||||
devoted to synchronization, so a transmission requires a total of 206
|
||||
/ 3 + 16 = 85 (rounded up) channel symbols. The sync symbols are
|
||||
those numbered 1, 2, 5, 10, 16, 23, 33, 35, 51, 52, 55, 60, 66, 73,
|
||||
83, and 85 in the transmitted sequence.
|
||||
for data, one for synchronization. Thus, three data bits or one
|
||||
synchronization bit are conveyed by each transmitted symbol. Sixteen
|
||||
symbol intervals are devoted to synchronization, so a transmission
|
||||
requires a total of 206 / 3 + 16 = 85 (rounded up) channel
|
||||
symbols. The sync symbols are those numbered 1, 2, 5, 10, 16, 23, 33,
|
||||
35, 51, 52, 55, 60, 66, 73, 83, and 85 in the transmitted sequence.
|
||||
|
||||
Each symbol lasts for 6912 sample intervals at 12000 samples per
|
||||
second, or about 0.576 s. Tone spacing of the 9-FSK modulation is
|
||||
12000/6912 = 1.736 Hz, the inverse of the symbol duration. The total
|
||||
occupied bandwidth is therefore 9 × 1.736 = 15.6 Hz. The generated
|
||||
JT9 signal has continuous phase and constant amplitude. There are no
|
||||
key clicks, and the transmitter's power amplifier need not be highly
|
||||
linear.
|
||||
occupied bandwidth is 9 × 1.736 = 15.6 Hz. A generated JT9 signal has
|
||||
continuous phase and constant amplitude. There are no key clicks, and
|
||||
the transmitter's power amplifier need not be highly linear.
|
||||
|
||||
.Transmitting
|
||||
|
||||
@ -28,18 +27,18 @@ Immediately before the start of a transmission WSJT-X encodes a
|
||||
user’s message and computes the sequence of tones to be sent. The
|
||||
transmitted audio waveform is computed on-the-fly, using 16-bit
|
||||
integer samples at a 48000 Hz rate. The digital samples are converted
|
||||
to an analog waveform in the sound card (or equivalent D/A interface).
|
||||
to an analog waveform in the sound card or equivalent D/A interface.
|
||||
|
||||
.Receiving and Decoding
|
||||
|
||||
WSJT-X acquires 16-bit integer samples from the sound card at a 48000
|
||||
Hz rate, and immediately downsamples the data stream to 12000 Hz.
|
||||
Spectra from overlapping data segments are computed for the waterfall
|
||||
display and saved at intervals of 0.188 s, half the JT9 symbol length.
|
||||
As shown in screen shots earlier in this guide, a JT9 signal appears
|
||||
in the *Cumulative* spectrum as a nearly rectangular shape about 16 Hz
|
||||
wide. Although there is no clearly visible “sync tone” like the one
|
||||
at the low-frequency edge of a JT65 signal, by convention the nominal
|
||||
Hz rate, and immediately downsamples the stream to 12000 Hz. Spectra
|
||||
from overlapping segments are computed for the waterfall display and
|
||||
saved at intervals of 0.188 s, half the JT9 symbol length. As shown
|
||||
in screen shots earlier in this guide, a JT9 signal appears in the
|
||||
*Cumulative* spectrum as a nearly rectangular shape about 16 Hz wide.
|
||||
Although there is no clearly visible “sync tone” like the one at the
|
||||
low-frequency edge of a JT65 signal, by convention the nominal
|
||||
frequency of a JT9 signal is taken to be that of the lowest tone, at
|
||||
the left edge of the spectrum.
|
||||
|
||||
@ -49,13 +48,12 @@ operator convenience the decoder goes through its full procedure
|
||||
twice: first at the selected Rx frequency, and then in the full
|
||||
displayed frequency range (or in JT9+JT65 mode, the displayed range
|
||||
above the blue *JT65 nnnn JT9* marker). Decoding of clean JT9 signals
|
||||
in a white-noise background starts to fail around signal-to-noise
|
||||
in a white-noise background starts to fail below signal-to-noise
|
||||
ratio –25 dB and reaches 50% copy at -26 dB.
|
||||
|
||||
Each decoding pass can be described as a sequence of discrete blocks.
|
||||
For those wishing to study the program’s algorithms and source code,
|
||||
perhaps with an eye toward future improvements, the blocks are labeled
|
||||
here with the names of functional procedures in the code.
|
||||
The blocks are labeled here with the names of functional procedures in
|
||||
the code.
|
||||
|
||||
sync9: Use sync symbols to find candidate JT9 signals
|
||||
in the specified frequency range
|
||||
@ -87,10 +85,10 @@ Then, at the frequency of each plausible candidate:
|
||||
compressed format
|
||||
|
||||
With marginal or unrecognizable signals the sequential Fano algorithm
|
||||
can take exponentially long times. If the first step in the above
|
||||
can take exponentially long times. If the +sync9+ step in the above
|
||||
sequence finds many seemingly worthy candidate signals, and if many of
|
||||
them turn out to be undecodable, the decoding loop could take a very
|
||||
long time. For this reason the decode9 step is programmed to “time
|
||||
out” and report failure if it takes too long. The choices *Fast |
|
||||
Normal | Deepest* on the Decode menu provide a three-step adjustment
|
||||
of this timeout limit.
|
||||
them turn out to be undecodable, the decoding loop can take a very
|
||||
long time. For this reason the step labeled +decode9+ is programmed
|
||||
to “time out” and report failure if it is taking too long. The
|
||||
choices *Fast | Normal | Deepest* on the Decode menu provide a
|
||||
three-step adjustment of this timeout limit.
|
||||
|
@ -2,26 +2,26 @@
|
||||
=== Standard Exchange
|
||||
By longstanding tradition, a minimal valid QSO requires the exchange
|
||||
of callsigns, a signal report or some other information, and
|
||||
acknowledgments. {wsjtx} is designed to facilitate making such
|
||||
acknowledgments. _WSJT-X_ is designed to facilitate making such
|
||||
minimal QSOs using short, formatted messages. The process works best
|
||||
if you use these formats and follow standard operating practices. The
|
||||
recommended basic QSO goes something like this:
|
||||
|
||||
[width="90%",cols="3,^3,^3,^4,10",options="header"]
|
||||
[width="90%",cols="3,7,12",options="header"]
|
||||
|=======================================
|
||||
|UTC|To|From|Grid/Rpt|Comment
|
||||
|0001|CQ|K1ABC|FN42|~ K1ABC calls CQ
|
||||
|0002|K1ABC|G0XYZ|IO91|~ G0XYZ answers
|
||||
|0003|G0XYZ|K1ABC|–19|~ K1ABC sends report
|
||||
|0004|K1ABC|G0XYZ|R–22|~ G0XYZ sends acknowledgment and report
|
||||
|0005|G0XYZ|K1ABC|RRR|~ K1ABC sends acknowledgment
|
||||
|0006|K1ABC|G0XYZ|73|~ G0XYZ sends 73
|
||||
|UTC|Transmitted Message|Comment
|
||||
|0001|CQ K1ABC FN42|K1ABC calls CQ
|
||||
|0002|K1ABC G0XYZ IO91|G0XYZ answers
|
||||
|0003|G0XYZ K1ABC –19|K1ABC sends report
|
||||
|0004|K1ABC G0XYZ R–22|G0XYZ sends acknowledgment and report
|
||||
|0005|G0XYZ K1ABC RRR|K1ABC sends acknowledgment
|
||||
|0006|K1ABC G0XYZ 73|G0XYZ sends 73
|
||||
|=======================================
|
||||
|
||||
*Standard messages* consist of two callsigns (or CQ, QRZ, or DE and
|
||||
one callsign) followed by the transmitting station’s grid locator, a
|
||||
signal report, acknowledgement R plus a signal report, or the final
|
||||
acknowledgements “RRR” or “73”. Messages are compressed and encoded
|
||||
acknowledgements RRR or 73. Messages are compressed and encoded
|
||||
in a highly efficient and reliable way.
|
||||
|
||||
*Signal reports* are specified as signal-to-noise ratio (S/N) in dB,
|
||||
@ -32,19 +32,19 @@ that his signal is 19 dB below the noise power in bandwidth 2500 Hz.
|
||||
In message #0004, G0XYZ acknowledges receipt of that report and
|
||||
responds with a –22 dB signal report.
|
||||
|
||||
TIP: For operators with very good hearing, signals become audible
|
||||
around S/N = –15 dB and visible on the waterfall to –26 dB. The JT65
|
||||
decoder begins to fail around –24 dB, JT9 around –26 dB.
|
||||
TIP: Signals become visible on the waterfall around S/N = –26 dB and
|
||||
audible around –15 dB. Thresholds for signal decodability are
|
||||
approximately –24 dB for JT65, –26 dB for JT9.
|
||||
|
||||
*Free Text Messages*: Users often add some friendly chit-chat as a
|
||||
final transmission, in place of the formatted ``73'' message.
|
||||
Free-format messages such as ``TNX JOE 73 GL'' or `5W VERT 73 GL'' are
|
||||
supported, up to a maximum of 13 characters (including spaces). It
|
||||
should be obvious that JT9 and JT65 are not suitable for extensive
|
||||
conversations or rag-chewing.
|
||||
final transmission, in place of the formatted 73 message. Free-format
|
||||
messages such as TNX JOE 73 GL or 5W VERT 73 GL are supported, up to a
|
||||
maximum of 13 characters (including spaces). It should be obvious
|
||||
that JT9 and JT65 are not suitable for extensive conversations or
|
||||
rag-chewing.
|
||||
|
||||
=== Compound Callsigns
|
||||
//This section needs work! Must describe and give examples for both
|
||||
//This section needs work!! Must describe and give examples for both
|
||||
//JT65v1 and JT65v2 formats.
|
||||
Compound call-signs such as PJ4/K1ABC or G0XYZ/P are handled in a slightly
|
||||
different way. The following formats are all valid:
|
||||
@ -68,7 +68,7 @@ different way. The following formats are all valid:
|
||||
- ``grid'' is a 4-character Maidenhead locator
|
||||
|
||||
- A signal report of the form “±nn” or “R±nn”, or the acknowledgment
|
||||
or sign-off messages “RRR” or “73”. {wsjtx} generates messages in
|
||||
or sign-off messages “RRR” or “73”. _WSJT-X_ generates messages in
|
||||
these forms automatically, as required.
|
||||
|
||||
- A QSO between two stations using compound call-signs might look like this:
|
||||
@ -100,10 +100,10 @@ through the <<X15,Basic Tutorial>> above and the following checklist:
|
||||
|
||||
- Your callsign and grid locator set to correct values
|
||||
- PTT and CAT control (if used) properly configured and tested
|
||||
- Computer clock properly synchronized with UTC to within ±1 s
|
||||
- Computer clock properly synchronized to UTC within ±1 s
|
||||
- Radio set to USB (upper sideband) mode
|
||||
- Radio's Split mode selected or not, consistent with your choice on
|
||||
*Station* tab of *Configuration* window.
|
||||
- Radio's Split mode selected or not, consistent with your choice
|
||||
on *Station* tab of the *Setup | Configuration* window.
|
||||
|
||||
- Remember that JT9 and J65 generally do not require high power. Under
|
||||
most propagation conditions, [red]*QRP is the rule!*
|
||||
IMPORTANT: Remember that JT9 and J65 generally do not require high
|
||||
power. Under most propagation conditions, [red]*QRP is the rule!*
|
||||
|
@ -7,4 +7,4 @@
|
||||
control, or VOX.
|
||||
- Audio input and output devices supported by your operating system
|
||||
- Audio or equivalent USB connections between transceiver and computer
|
||||
- A means for synchronizing your computer clock to UTC to within ±1 s.
|
||||
- A means for synchronizing your computer clock to UTC within ±1 s.
|
||||
|
@ -1,36 +1,39 @@
|
||||
// Status=review
|
||||
.Receiver Noise Level
|
||||
- Click the Monitor button to return to normal receive operation.
|
||||
|
||||
- Click the *Monitor* button to return to normal receive operation
|
||||
(button should be highlighted in [green]*GREEN*).
|
||||
|
||||
- Set your transceiver to USB (or USB Data) mode.
|
||||
- Use the receiver gain control(s) and/or the Windows mixer controls
|
||||
to set the background noise level to around 30 dB or mid-scale. If
|
||||
necessary you can also use the slider next to the scale, but note that
|
||||
the overall dynamic range will be best with this slider not too far
|
||||
from its mid-point.
|
||||
|
||||
- Use the receiver gain controls and/or Windows mixer controls to set
|
||||
the background noise level (scale at lower left of main window) to
|
||||
around 30 dB with no signals present. If necessary you can also use
|
||||
the slider next to the scale, but note that the overall dynamic range
|
||||
will be best with this slider not too far from its mid-point.
|
||||
|
||||
.Bandwidth and Frequency Setting
|
||||
|
||||
Taking full advantage of the wide-band, dual-mode capability of
|
||||
{wsjtx} requires a receiver bandwidth of at least 4 kHz. For example,
|
||||
on a Kenwood TS-2000 I set *Low Cut* to 200 and *High Cut* to 5000
|
||||
Hz. Note that most SSB transceivers have a fixed Tx filter that will
|
||||
not pass audio frequencies higher than about 2700 Hz. {wsjtx} takes
|
||||
care of this by using Split mode, receiving with *VFO A* and
|
||||
transmitting with *VFO B*. The Tx dial frequency (*VFO B*) is offset
|
||||
in 500 Hz steps, and the generated audio frequency is adjusted so that
|
||||
_WSJT-X_ requires a receiver bandwidth of at least 4 kHz. Many SSB
|
||||
transceivers have a fixed-width Tx filter that will not pass audio
|
||||
frequencies higher than about 2700 Hz. _WSJT-X_ takes care of this by
|
||||
using Split mode, receiving with *VFO A* and transmitting with *VFO
|
||||
B*. Under CAT control _WSJT-X_ offsets the Tx dial frequency (*VFO
|
||||
B*) in 500 Hz steps, adjusting the generated audio frequency so that
|
||||
it always falls in the range 1500 – 2000 Hz. With *CAT* and *Split Tx*
|
||||
enabled on the configuration screen and your transceiver set to
|
||||
*Tx Split* mode, frequency control will be handled automatically.
|
||||
enabled on the configuration screen and your transceiver set to *Tx
|
||||
Split* mode, this frequency control will be handled automatically.
|
||||
|
||||
If your transceiver has only a standard SSB filter you won’t be able
|
||||
to use more than about 2.7 kHz bandwidth. You can still have all of
|
||||
the JT9 sub-band and part of the JT65 sub-band available, however. On
|
||||
20m, say, set dial frequency (*VFO A*) to 14.0774 and the *JT9 nnnn JT65*
|
||||
dividing line at 1600 Hz. JT9 signals in their conventional sub-band
|
||||
will then appear at 1600 – 2600 Hz, while JT65 signals will be below
|
||||
1000 Hz. Of course, you might prefer to concentrate on one mode at a
|
||||
time, setting your dial frequency to (say) 14.076 for JT65 and 14.078
|
||||
for JT9. Present conventions have the nominal JT9 dial frequency 2
|
||||
kHz higher than the JT65 dial frequency, and the check-box labeled +2
|
||||
kHz, just below the band selector, makes the appropriate settings
|
||||
easy.
|
||||
the JT9 sub-band and part of the JT65 sub-band available on screen,
|
||||
however. On 20m, say, set dial frequency (*VFO A*) to 14.0774 and the
|
||||
*JT9 nnnn JT65* dividing line at 1600 Hz. JT9 signals in their
|
||||
conventional sub-band will then appear at 1600 – 2600 Hz, while JT65
|
||||
signals will be below 1000 Hz. Of course, you might prefer to
|
||||
concentrate on one mode at a time, setting your dial frequency to
|
||||
(say) 14.076 for JT65 and 14.078 for JT9. Present conventions have
|
||||
the nominal JT9 dial frequency 2 kHz higher than the JT65 dial
|
||||
frequency, and the checkbox labeled *+2 kHz*, just below the *Band*
|
||||
selector, makes the appropriate settings easy.
|
||||
|
@ -1,11 +1,10 @@
|
||||
// Status=review
|
||||
.Open a Wave File:
|
||||
|
||||
- Select File | Open and navigate to ...\save\samples\130418_1742.wav
|
||||
under your program installation directory.
|
||||
|
||||
When the file opens you should see something similar to the to the
|
||||
following screen shot:
|
||||
- Select *File | Open* and navigate to
|
||||
+...\save\samples\130418_1742.wav+ under your _WSJT-X_ installation
|
||||
directory. When the file opens you should see something similar to
|
||||
the to the following screen shot:
|
||||
|
||||
[[X12]]
|
||||
image::images/r3556-main-ui-80.png[align="center",alt="Main UI and Wide Graph"]
|
||||
@ -16,47 +15,53 @@ Notice the [green]*GREEN* and [red]*RED* markers on the waterfall
|
||||
frequency scale. Decoding takes place at the end of a receive
|
||||
sequence and is organized in two stages. The first decodes take place
|
||||
at the selected Rx frequency, indicated by the green marker. Results
|
||||
appear in both the left (“Band Activity”) and right (“Rx Frequency”)
|
||||
text windows on the main screen. The decoder then finds and decodes
|
||||
all signals in the selected mode(s) and the displayed frequency
|
||||
appear in both the left (*Band Activity*) and right (*Rx Frequency*)
|
||||
text windows on the main screen. The program then finds and decodes
|
||||
all signals in the selected mode or modes over the displayed frequency
|
||||
range. The red marker indicates your Tx frequency.
|
||||
|
||||
At least eight JT9 signals are present in the example file; all
|
||||
but one of them are decodable. When this file was recorded KF4RWA was
|
||||
finishing a QSO with K1JT. Since the green marker was placed at his
|
||||
audio frequency, 1224 Hz, his message “K1JT KF4RWA 73” appears in both
|
||||
decoded text windows. The “Band Activity” window shows this message
|
||||
decoded text windows. The *Band Activity* window shows this message
|
||||
as well as all the other decodes at nearby frequencies. The CQ lines
|
||||
are highlighted in [green]*GREEN*, and lines containing “My Call”, in
|
||||
are highlighted in [green]*GREEN*, and lines containing *My Call*, in
|
||||
this case K1JT, are highlighted in [red]*RED*.
|
||||
|
||||
TIP: For this step and the next, you may want to pretend you are K1JT by
|
||||
entering that call temporarily as “My Call” on the <<X11,Configuration
|
||||
entering that callsign temporarily as *My Call* on the <<X11,Configuration
|
||||
Screen>>. Your results should then be identical to those shown in the
|
||||
<<X12,screen shot>> above.
|
||||
|
||||
[[X13]]
|
||||
.Decoding Controls
|
||||
To gain some feeling for the controls you will use when making QSOs, try
|
||||
clicking with the mouse on the decoded text lines and on the waterfall spectral
|
||||
display. You should be able to confirm the following behavior:
|
||||
|
||||
- Double-click on either of the decoded lines highlighted in green. This action
|
||||
should produce the following:
|
||||
To gain some feeling for the controls used when making QSOs, try
|
||||
clicking with the mouse on the decoded text lines and on the waterfall
|
||||
spectral display. You should be able to confirm the following
|
||||
behavior:
|
||||
|
||||
** Copies call-sign and locater of a station calling CQ to the “DX Call”
|
||||
and “DX grid” entry fields.
|
||||
- Double-click on either of the decoded lines highlighted in
|
||||
green. This action should produce the following:
|
||||
|
||||
** Generates suitable messages for a minimal QSO and checks or clears the Tx
|
||||
even box so that you will transmit in the proper (odd or even) minutes.
|
||||
** Callsign and locator of a station calling CQ are copied to the *DX
|
||||
Call* and *DX Grid* entry fields.
|
||||
|
||||
** Rx and Tx frequency markers will be moved to the CQ-ing station’s frequency,
|
||||
and the Gen Msg (“generated message”) radio button at bottom right of the main
|
||||
window will be selected.
|
||||
** Messages for a minimal QSO are generated.
|
||||
|
||||
** If you had checked “Double-click on call sets Tx Enable” on the Setup menu,
|
||||
Enable Tx would also be activated, and you would start to transmit automatically,
|
||||
at the appropriate time.
|
||||
** The *Tx even* box is checked or cleared appropriately, so that you
|
||||
will transmit in the proper (odd or even) minutes.
|
||||
|
||||
** The Rx and Tx frequency markers are moved to the CQ station’s
|
||||
frequency.
|
||||
|
||||
** The *Gen Msg* (“generated message”) radio button at bottom right
|
||||
of the main window is selected.
|
||||
|
||||
** If you have checked *Double-click on call sets Tx Enable* on the
|
||||
*Setup* menu, *Enable Tx* is activated and a transmission starts
|
||||
automatically at the appropriate time.
|
||||
|
||||
- Double-click on the decoded line with the message “K1JT N5KDV EM41”,
|
||||
highlighted in [red]*RED*. Results will be similar to those in the
|
||||
@ -75,15 +80,17 @@ want to send 73 to him, so the message “KF4RWA K1JT 73” is automatically
|
||||
generated and selected for your next transmission. (Alternatively, you might
|
||||
choose to send a free text message or to call CQ again.)
|
||||
|
||||
- Clicking on the waterfall moves the Rx frequency ([green]*GREEN* marker) to the
|
||||
selected frequency.
|
||||
- Click on the waterfall to set Rx frequency ([green]*GREEN* marker).
|
||||
|
||||
- Ctrl-click on waterfall moves both Rx and Tx frequencies.
|
||||
- Ctrl-click on waterfall to set both Rx and Tx frequencies.
|
||||
|
||||
- Double-click on the waterfall moves the Rx frequency and causes a
|
||||
narrow-band decode there at the new QSO frequency. Decoded text appears in the
|
||||
right window only. Ctrl-double-click moves both Rx and Tx frequencies and
|
||||
decodes at the new frequency.
|
||||
- Double-click on the waterfall to set Rx frequency and start a
|
||||
narrow-band decode there. Decoded text appears in the right window
|
||||
only.
|
||||
|
||||
- Clicking Erase clears the right window. Double-click on Erase to clear both
|
||||
text windows.
|
||||
- Ctrl-double-click sets both Rx and Tx frequencies and decodes at the
|
||||
new frequency.
|
||||
|
||||
- Click *Erase* to clear the right window.
|
||||
|
||||
- Double-click *Erase* to clear both text windows.
|
||||
|
@ -1,20 +1,20 @@
|
||||
// Status=review
|
||||
.Wide Graph Settings:
|
||||
- Bins/Pixel = 7
|
||||
- Zero = -3
|
||||
- If necessary, adjust the width of the Wide Graph Window so that its upper
|
||||
frequency limit is 4000 Hz.
|
||||
- *Bins/Pixel* = 7
|
||||
- *Zero* = -3
|
||||
- Adjust the width of the Wide Graph window so that its upper
|
||||
frequency limit is approximately 4000 Hz.
|
||||
|
||||
.Main Window:
|
||||
- Select JT9+JT65 on the Mode menu
|
||||
- Toggle the Tx mode button to read Tx JT65, and set the Tx and Rx
|
||||
- Select *JT9+JT65* on the *Mode* menu
|
||||
- Toggle the *Tx mode* button to read *Tx JT65*, and set the Tx and Rx
|
||||
frequencies to 1718 Hz.
|
||||
- Double-click on Erase to clear both text windows
|
||||
- Double-click on *Erase* to clear both text windows.
|
||||
|
||||
.Open a Wave File:
|
||||
- Select File | Open and navigate to ...\save\samples\130610_2343.wav.
|
||||
|
||||
The waterfall should look like the figure below.
|
||||
- Select *File | Open* and navigate to +...\save\samples\130610_2343.wav+.
|
||||
The waterfall should look like the following figure:
|
||||
|
||||
//.130610_2343.wav Decode
|
||||
[[X14]]
|
||||
@ -22,23 +22,23 @@ image::images/130610_2343-wav-80.png[align="left",alt="Wide Graph Decode 130610_
|
||||
|
||||
This sample file contains 17 decodable signals — nine in JT65 mode
|
||||
(flagged with the character # in the decoded text windows), and eight
|
||||
in JT9 mode (flagged with @). Since the Tx mode was set to Tx JT65,
|
||||
signals in that mode were decoded first. If you had selected Tx JT9,
|
||||
in JT9 mode (flagged with @). Since the Tx mode was set to *Tx JT65*,
|
||||
signals in that mode were decoded first. If you had selected *Tx JT9*,
|
||||
JT9 signals would have been decoded first.
|
||||
|
||||
TIP: Notice the [blue]*BLUE* marker on the waterfall scale, by
|
||||
default set at 2500 Hz. Its position is set by the spinner control
|
||||
JT65 nnnn JT9, where nnnn is a frequency in Hz. In JT9+JT65 mode the
|
||||
*JT65 nnnn JT9*, where nnnn is a frequency in Hz. In *JT9+JT65* mode the
|
||||
program will decode JT65 signals below this frequency and JT9 signals
|
||||
above it.
|
||||
|
||||
- Confirm that mouse-click behavior is similar to that described
|
||||
<<X13,earlier>>. The program automatically determines the mode of each
|
||||
<<X13,above>>. The program automatically determines the mode of each
|
||||
JT9 or JT65 signal.
|
||||
|
||||
- Double-click on the waterfall near 815 Hz: a JT65 message
|
||||
originating from W7VP will be decoded and appear in the Rx Frequency
|
||||
Box:
|
||||
originating from W7VP will be decoded and appear in the *Rx Frequency*
|
||||
window.
|
||||
|
||||
[width="70%",cols="3,^3,^3,^4,^4,30",options="header"]
|
||||
|=================================
|
||||
@ -60,28 +60,27 @@ automatically switches to that of the decoded signal and the Rx and Tx
|
||||
frequency markers on the waterfall scale resize themselves
|
||||
accordingly.
|
||||
|
||||
- Scroll back in the Band Activity window and double-click on the
|
||||
- Scroll back in the *Band Activity* window and double-click on the
|
||||
message CQ DL7ACA JO40. The program will set Tx mode to JT65 and Tx
|
||||
and Rx frequencies to that of DL7ACA, 975 Hz. If you had checked
|
||||
*Double-click on call sets Tx Enable* on the Setup menu, the program
|
||||
*Double-click on call sets Tx Enable* on the *Setup* menu, the program
|
||||
would configure itself to start a QSO with DL7ACA.
|
||||
|
||||
- Double-click on the decoded JT65 message CQ TA4A KM37. The program
|
||||
will set Tx mode to JT9 and the Rx and Tx frequencies to 3567 Hz. The
|
||||
program is now configured properly for a JT9 QSO with TA4A.
|
||||
|
||||
IMPORTANT: Don’t forget to re-enter your own call-sign as “My Call”.
|
||||
IMPORTANT: Don’t forget to re-enter your own call-sign as *My Call*.
|
||||
|
||||
.Reopen the First Sample File:
|
||||
- Select File | Open and navigate to ...\save\samples\130418_1742.wav.
|
||||
- Select *File | Open* and navigate to +...\save\samples\130418_1742.wav+.
|
||||
|
||||
These data were recorded with a much narrower Rx bandwidth, roughly
|
||||
200 to 2600 Hz. If you have no Rx filter wider than about 2.7 kHz, you
|
||||
will be using data like this. For best viewing of such data adjust
|
||||
Bins/Pixel and the width of the Wide Graph so that only the active
|
||||
part of the spectrum shows, say 0 to 2600 Hz. Re-open the example
|
||||
file after any change of Bins/Pixel or Wide Graph width, to refresh
|
||||
the waterfall.
|
||||
will be using data like this. For best viewing, adjust *Bins/Pixel*
|
||||
and the width of the Wide Graph so that only the active part of the
|
||||
spectrum shows, say 0 to 2600 Hz. Re-open the example file after any
|
||||
change of *Bins/Pixel* or Wide Graph width, to refresh the waterfall.
|
||||
|
||||
The signals in this file are all JT9 signals. To decode them in
|
||||
JT9+JT65 mode you’ll need to move the JT65 nnnn JT9 delimiter down to
|
||||
|
@ -1,5 +1,5 @@
|
||||
// Status=review
|
||||
- Click the *Stop* button on the main window to halt any data acquisition.
|
||||
- Select JT9 from the *Mode* menu and Deepest from the *Decode* menu.
|
||||
- Select JT9 from the *Mode* menu and *Deepest* from the *Decode* menu.
|
||||
- Set the audio Tx and Rx frequencies to 1224 Hz.
|
||||
//Maybe show small screen shots here?
|
||||
|
@ -1,10 +1,10 @@
|
||||
// Status=review
|
||||
* Bins/Pixel = 4
|
||||
* N Avg = 5
|
||||
* Gain = 0,
|
||||
* Zero = –10
|
||||
* Flatten = checked
|
||||
* Cumulative for data display.
|
||||
* Select Tab 2 (below the Erase button on the main window) to
|
||||
- *Bins/Pixel* = 4
|
||||
- *N Avg* = 5
|
||||
- *Gain* = 0,
|
||||
- *Zero* = –10
|
||||
- *Flatten* = checked
|
||||
- Select *Cumulative* for data display.
|
||||
- Select *Tab 2* (below the *Erase* button on the main window) to
|
||||
choose the alternative set of controls for generating and selecting
|
||||
Tx messages.
|
||||
|
@ -11,8 +11,8 @@
|
||||
// If the list of links gets too long, we can add a url-file that is pulled
|
||||
// in when and where needed with the following:
|
||||
// include::<file-name> for example: include::url-list.txt
|
||||
:devsvn: http://developer.berlios.de/projects/wsjt/[Devel-SVN]
|
||||
:devmail: mailto:wsjt-devel@lists.berlios.de[WSJT-Devel-List]
|
||||
:devsvn: http://developer.berlios.de/projects/wsjt/[wsjt-svn]
|
||||
:devmail: mailto:wsjt-devel@lists.berlios.de[wsjt-devel]
|
||||
:download: http://physics.princeton.edu/pulsar/K1JT/wsjtx.html[ Download Page ]
|
||||
:wsjtx: http://physics.princeton.edu/pulsar/K1JT/wsjtx.html[ WSJT-X ]
|
||||
:homepage: http://physics.princeton.edu/pulsar/K1JT/[ WSJT Home Page ]
|
||||
@ -46,8 +46,9 @@ include::system-requirments.txt[]
|
||||
[[X3]]
|
||||
== Installation
|
||||
|
||||
Download {wsjtx} from the {homepage}. Click on the {wsjtx} at the left
|
||||
margin and then on the appropriate link(s) for your operating system.
|
||||
- Download _WSJT-X_ from the {homepage}.
|
||||
- Click on _WSJT-X_ at the left margin and then on the appropriate
|
||||
link(s) for your operating system.
|
||||
|
||||
=== Windows
|
||||
include::install-windows.txt[]
|
||||
@ -78,7 +79,7 @@ include::install-from-source.txt[]
|
||||
include::configuration-station.txt[]
|
||||
|
||||
[[X42]]
|
||||
=== TX Macros Tab
|
||||
=== Tx Macros Tab
|
||||
include::configuration-txmacros.txt[]
|
||||
|
||||
[[X43]]
|
||||
@ -104,11 +105,11 @@ include::tutorial-main-window.txt[]
|
||||
include::tutorial-wide-graph-settings.txt[]
|
||||
|
||||
[[X53]]
|
||||
=== Ex 1: JT9 Signals
|
||||
=== Sample File 1
|
||||
include::tutorial-example1.txt[]
|
||||
|
||||
[[X54]]
|
||||
=== Ex 2: JT65 and JT9 Signals
|
||||
=== Sample File 2
|
||||
include::tutorial-example2.txt[]
|
||||
|
||||
[[X55]]
|
||||
|
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Reference in New Issue
Block a user