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73 lines
2.9 KiB
Plaintext
73 lines
2.9 KiB
Plaintext
// Status=review
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.Main Window:
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- Select *FT8* on the *Mode* menu.
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- Set Tx and Rx frequencies to 1200 Hz.
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- Double-click on *Erase* to clear both text windows.
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.Wide Graph Settings:
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- *Bins/Pixel* = 4, *Start* = 200 Hz, *N Avg* = 2
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- Adjust the width of the Wide Graph window so that the upper
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frequency limit is approximately 2600 Hz.
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.Open a Wave File:
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- Select *File | Open* and navigate to
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+...\save\samples\FT8\170709_135615.wav+. The waterfall and decoded
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text window should look something like the following screen shots:
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[[X15]]
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image::170709_135615.wav.png[align="left",alt="Wide Graph Decode 170709_135615"]
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image::ft8_decodes.png[align="left"]
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- Click with the mouse anywhere on the waterfall display. The green Rx
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frequency marker will jump to your selected frequency, and the Rx
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frequency control on the main window will be updated accordingly.
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- Do the same thing with the *Shift* key held down. Now the red Tx
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frequency marker and its associated control on the main window will
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follow your frequency selections.
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- Do the same thing with the *Ctrl* key held down. Now the both colored
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markers and both spinner controls will follow your selections.
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- Double-clicking at any frequency on the waterfall does all the
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things just described and also invokes the decoder in a small range
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around the Rx frequency. To decode a particular signal, double-click
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near the left edge of its waterfall trace.
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- Now double-click on any of the the lines of decoded text in the main
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window. All three lines will show the same behavior, setting Rx
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frequency to that of the selected message and leaving Tx frequency
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unchanged. To change both Rx and Tx frequencies, hold *Ctrl* down
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when double-clicking.
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NOTE: To avoid QRM from competing callers, it is frequently desirable
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to answer a CQ on a different frequency from that of the CQing
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station. The same is true when you tail-end another QSO. Choose a Tx
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frequency that appears to be not in use.
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NOTE: Keyboard shortcuts *Shift+F11* and *Shift+F12* provide an easy
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way to move your Tx frequency down or up in 60 Hz steps.
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NOTE: Further helpful tips on FT8 operating procedures are available
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{ft8_tips}. Thanks to ZL2IFB!
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.FT8 DXpedition Mode:
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- This special operating mode enables DXpeditions to make FT8 QSOs at
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very high rates. Both stations must use _WSJT-X_ Version 1.9 or
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later. Detailed operating instructions for {ft8_DXped} are available
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online. Do not try to use DXpedition mode without reading these
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instructions carefully!
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IMPORTANT: FT8 DXpedition mode is suitable for use only by legitimate
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DXpeditions and those attempting to work them. Do not try to use
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DXpedition mode for normal FT8 operation. Do not use it in the
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conventional FT8 subbands. And especially, do not use the
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multi-signal capability unless you are a DXpedition.
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IMPORTANT: When finished with this Tutorial, don't forget to re-enter
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your own callsign as *My Call* on the *Settings | General* tab.
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