mirror of
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Final (?) additions to WSJT-X User Guide for v1.6.0. Close reading
is now strongly encouraged! We "go to press" soon! git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6090 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
parent
6bf8361850
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8609450974
@ -60,7 +60,7 @@ set (UG_SRCS
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user_guide/tutorial-wide-graph-settings.adoc
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user_guide/tutorial-wide-graph-settings.adoc
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user_guide/tx-rx.adoc
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user_guide/tx-rx.adoc
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user_guide/utilities.adoc
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user_guide/utilities.adoc
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user_guide/vhf-and-up.adoc
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user_guide/vhf-features.adoc
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user_guide/wsjtx-main.adoc
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user_guide/wsjtx-main.adoc
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user_guide/wspr.adoc
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user_guide/wspr.adoc
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)
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)
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@ -1,13 +1,15 @@
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=== New in Version 1.6
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For quick reference, here's a short list of features and capabilities
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For quick reference, here's a short list of features and capabilities
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added to _WSJT-X_ since Version 1.5.0:
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added to _WSJT-X_ since Version 1.5.0:
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- *WSPR* mode, including automatic coordinated band-hopping and an
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- *WSPR* mode, including automatic coordinated band-hopping and an
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improved sensitivity two-pass decoder.
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two-pass decoder that can decode overlapping signals.
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- EME-inspired features including *JT4* (submodes *A-G*), *Echo* mode,
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- EME-inspired features including *JT4* (submodes *A-G*), *Echo* mode,
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and *automatic Doppler tracking*. Note that submodes *JT65B* and
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and automatic *Doppler tracking*. (Note that submodes *JT65B* and
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*JT65C* are also present in Version 1.6, but the high-sensitivity
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*JT65C* are also present in Version 1.6, but the high-sensitivity
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decoder required for EME is not yet included.
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decoder required for EME is not yet included.)
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- Tools for accurate *frequency calibration* of your radio, so you can
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- Tools for accurate *frequency calibration* of your radio, so you can
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be automatically ``on frequency'' to within about 1 Hz.
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be automatically ``on frequency'' to within about 1 Hz.
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@ -15,3 +17,17 @@ be automatically ``on frequency'' to within about 1 Hz.
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- Mode-specific working frequencies accessible from the drop-down
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- Mode-specific working frequencies accessible from the drop-down
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band selector.
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band selector.
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=== Future releases
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Much work has already been done on what will become Version 1.7 of
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_WSJT-X_. (Up to now it has been called v1.6.1.) A number of people
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have been building this version for themselves, as development
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progresses, and reporting on their experiences. The next release will
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almost certainly have the following features not present in
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Version 1.6.0:
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- *JTMSK* mode, intended for meteor scatter, ionospheric scatter,
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aircraft scatter, and the like. Unlike the FSK441, ISCAT, and JTMS
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modes present in the older program _WSJT_, JTMSK includes strong
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forward error correction and uses structured messages identical to
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those in JT4, JT9, and JT65.
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@ -1,90 +0,0 @@
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=== VHF Setup
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V1.6.0 is the first _WSJT-X_ version to include features specifically
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designed for use on VHF and higher bands. These features include *JT4*,
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a mode particularly useful for EME on the microwave bands; *Echo* mode,
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for detecting and measuring your own lunar echoes; and automatic
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*Doppler tracking* for the EME path. (Note that sub-modes JT65B and
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JT65C are present in v1.6.0, but are not yet fully implemented for EME
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purposes.)
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- Check the box labeled _Enable VHF/UHF/Microwave features_ on the
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*Settings | General* tab to activate the VHF-and-up features.
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- If you will be doing EME, check the box _Decode at t = 52 s_
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to allow for the EME path delay.
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- If you will use automatic Doppler tracking, check the box
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_Allow Tx frequency changes while transmitting_. Also select
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_Split Operation_ (either _Rig_ or _Fake It_: you might need
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to experiment with both) on the *Radio* tab.
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IMPORTANT: Not all transceivers permit computer adjustments
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of Tx frequency while transmitting. Among those that do are the
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IC735, IC756 Pro II, IC910-H, FT-847, TS-2000 (with Rev 9 firmware
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upgrade), Flex 1500 and 5000, HPSDR, Anan-10, Anan-100, and KX3.
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- When operating in appropriate modes the main window will reconfigure
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itself to include controls supporting the additional features. For
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example, in JT4 mode the central part of the main window will look
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something like this:
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image::images/VHF_controls.png[align="center",alt="VHF Controls"]
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- On the *View* menu, select *Astronomical data* to display a window
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with important information for tracking the Moon and performing
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automatic Doppler control.
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image::images/Astronomical_data.png[align="center",alt="Astronomical data"]
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IMPORTANT: Note that two different types of Doppler control are provided.
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- Select _Full Doppler to DX Grid_ if you know your QSO partner's locator
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and he/she is not using Doppler control.
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- Select _Constant frequency on Moon_ to correct for your own (one-way)
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Doppler shift to or from the Moon. If your QSO partner does the same
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thing, both stations will have the required Doppler compensation.
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Better still, anyone else using this option will hear both of you
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without the need for manual frequency changes. The hypothetical ``man
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in the moon'' will copy all of you on the selected nominal frequency:
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in the example depicted above, this is 100 kHz above the stated band
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edge, e.g., 10368.100 MHz for the 10 GHz band.
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- Spinner controls at top right of the Astronomical Data window let you
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set a working frequency above the nominal band edge. The frequency above
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band edge is the sum of these two controls (kHz + Hz).
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=== EME with JT4
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- Select *JT4* from the *Mode* menu.
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- Select the desired submode, which determines the tone spacing.
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Higher spacings are used on the higher microwave bands, to allow for
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larger Doppler spreads. For example, JT4F is generally used for EME on
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the 10 GHz band.
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- If using a transverter, set the appropriate offset on the
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*Settings | Frequencies* tab. Offset is defined as (desired
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transceiver dial reading) minus (desired on-the-air frequencty). For
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example, for a 144 MHz radio and 10368 MHz,
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offset = (144 - 10368) = -10224.000. Right-click anywhere inside the
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_Station Information_ box, select the desired band, and enter the
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offset number.
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image::images/Add_station_info.png[align="center",alt="Station information"]
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- The JT4 decoder in _WSJT-X_ includes optional facilities for
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averaging over successive trandmissions and correlation decoding. Select
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your desired decoding depth from the *Decode* menu.
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image::images/decoding_depth.png[align="center",alt="Decoding Depth"]
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- By convention, EME with JT4 can use ``short form'' messages. To
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activate automatic generation of these messages, check the box labeled
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_Sh_ on the main window.
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IMPORTANT: Many additional details and hints for JT4 EME operation
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are available here:
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http://physics.princeton.edu/pulsar/K1JT/WSJT-X_for_JT4_v6.pdf
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(thanks to G3WDG!).
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123
doc/user_guide/vhf-features.adoc
Normal file
123
doc/user_guide/vhf-features.adoc
Normal file
@ -0,0 +1,123 @@
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=== VHF Setup
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V1.6.0 is the first _WSJT-X_ version to include features specifically
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designed for use on VHF and higher bands. These features include *JT4*,
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a mode particularly useful for EME on the microwave bands; *Echo* mode,
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for detecting and measuring your own lunar echoes; and automatic
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*Doppler tracking* for the EME path. (Note that sub-modes JT65B and
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JT65C are present in v1.6.0, but are not yet fully implemented for EME
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purposes.)
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- To activate the VHF-and-up features check the box labeled _Enable
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VHF/UHF/Microwave features_ on the *Settings | General* tab.
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- If you will be doing EME, check the box _Decode at t = 52 s_
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to allow for the EME path delay on received signals.
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- If you will use automatic Doppler tracking, check the box _Allow Tx
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frequency changes while transmitting_. On the *Radio* tab select
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_Split Operation_ (use either _Rig_ or _Fake It_: you might need to
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experiment with both).
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IMPORTANT: Not all transceivers permit computer adjustments of Tx
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frequency while transmitting. Among those that do are the IC-735,
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IC-756 Pro II, IC-910-H, FT-847, TS-2000 (with Rev 9 firmware
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upgrade), Flex 1500 and 5000, HPSDR, Anan-10, Anan-100, and KX3.
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- The main window reconfigures itself as necessary to include controls
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supporting features of each mode. For example, in JT4 mode the
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central part of the main window will look like this:
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image::images/VHF_controls.png[align="center",alt="VHF Controls"]
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- On the *View* menu, select *Astronomical data* to display a window
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with important information for tracking the Moon and performing
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automatic Doppler control.
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image::images/Astronomical_data.png[align="center",alt="Astronomical data"]
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IMPORTANT: Note that two different types of Doppler control are provided.
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- Select _Full Doppler to DX Grid_ if you know your QSO partner's locator
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and he/she is not using Doppler control.
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- Select _Constant frequency on Moon_ to correct for your own (one-way)
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Doppler shift to or from the Moon. If your QSO partner does the same
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thing, both stations will have the required Doppler compensation.
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Moreover, anyone else using this option will hear both of you
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without the need for manual frequency changes. The hypothetical ``man
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in the moon'' will copy all of you on the selected nominal frequency:
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in the example depicted above, this is 100 kHz above the stated band
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edge, e.g., 10368.100 MHz for the 10 GHz band.
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- Spinner controls at top right of the Astronomical Data window let you
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set a working frequency above the nominal band edge. The frequency above
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band edge is the sum of the numbers in these two controls (kHz + Hz).
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=== EME with JT4
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- Select *JT4* from the *Mode* menu.
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- Select the desired submode, which determines the tone spacing.
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Higher spacings are used on the higher microwave bands, to allow for
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larger Doppler spreads. For example, JT4F is generally used for EME on
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the 10 GHz band.
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- If using a transverter, set the appropriate offset on the
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*Settings | Frequencies* tab. Offset is defined as (desired
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transceiver dial reading) minus (desired on-the-air frequency). For
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example, when using a 144 MHz radio at 10368 MHz,
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offset = (144 - 10368) = -10224.000. Right-click anywhere inside the
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_Station Information_ box, select the desired band, and enter the
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offset number.
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image::images/Add_station_info.png[align="center",alt="Station information"]
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- The JT4 decoder in _WSJT-X_ includes optional facilities for
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averaging over successive trandmissions and also correlation decoding,
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sometimesknown as ``Deep Search''. The *Decode* menu appears to
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provide options to set different decoding behavior. However, in JT4 mode
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this program version always behaves as if you have selected _Include
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correlation_.
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image::images/decoding_depth.png[align="center",alt="Decoding Depth"]
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- By convention, EME with JT4 can use ``short form'' messages. To
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activate automatic generation of these messages, check the box labeled
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_Sh_ on the main window.
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IMPORTANT: Many additional hints for using JT4 and Echo mode on the
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EME path are available here:
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http://physics.princeton.edu/pulsar/K1JT/WSJT-X_for_JT4_v6.pdf. Thanks
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to G3WDG for preparing this document!.
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=== Echo Mode
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*Echo* mode allows you to make sensitive measurements of your own
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lunar echoes, even when they are too weak to be heard. Select *Echo*
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from the *Mode* menu, aim your antenna at the moon, pick a clear
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frequency, and toggle click *Tx Enable*. _WSJT-X_ will then cycle
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through the following loop every 6 seconds:
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1. Transmit a fixed tone for 2.3 s
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2. Wait about 0.2 s for start of the return echo
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3. Record the received signal for 2.3 s
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4. Analyze, average, and display the results
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5. Repeat from step 1
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To make a sequence of echo tests:
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- Select *Echo* from the *Mode* menu.
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- On the Astronomical Data window check _Doppler tracking_ and
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_Constant frequency on the Moon_
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- Choose your desired test frequency using the _Frequency above nominal
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band edge_ controls.
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- Click *Enable Tx* on the main window to start a sequence of 6-second
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cycles.
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- _WSJT-X_ calculates and compensates for Doppler shift automatically.
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Your return echo should always appear at the center of the plot area
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on the Echo Graph window.
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@ -27,7 +27,6 @@ include::../common/links.adoc[]
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include::introduction.adoc[]
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include::introduction.adoc[]
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[[NEW_FEATURES]]
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[[NEW_FEATURES]]
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== New in Version 1.6
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include::new_features.adoc[]
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include::new_features.adoc[]
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[[SYSREQ]]
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[[SYSREQ]]
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@ -131,7 +130,7 @@ include::wspr.adoc[]
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[[VHF_AND_UP]]
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[[VHF_AND_UP]]
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== VHF Features
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== VHF Features
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include::vhf-and-up.adoc[]
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include::vhf-features.adoc[]
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[[MAKE_QSOS]]
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[[MAKE_QSOS]]
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== Making QSOs
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== Making QSOs
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Loading…
Reference in New Issue
Block a user