mirror of https://github.com/saitohirga/WSJT-X.git
Updates to User Guide; replace FT8 and MSK144 sample files with ones using new protocols.
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@ -62,7 +62,6 @@ set (UG_SRCS
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set (UG_IMGS
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set (UG_IMGS
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images/130610_2343-wav-80.png
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images/130610_2343-wav-80.png
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images/170709_135615.wav.png
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images/AstroData_2.png
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images/AstroData_2.png
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images/Astronomical_data.png
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images/Astronomical_data.png
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images/auto-seq.png
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images/auto-seq.png
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@ -79,6 +78,7 @@ set (UG_IMGS
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images/FreqCal_Results.png
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images/FreqCal_Results.png
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images/freemsg.png
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images/freemsg.png
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images/ft8_decodes.png
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images/ft8_decodes.png
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images/FT8_waterfall.png
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images/help-menu.png
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images/help-menu.png
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images/JT4F.png
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images/JT4F.png
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images/JT65B.png
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images/JT65B.png
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@ -1,7 +1,7 @@
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// Status=review
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// Status=review
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.Main Window:
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.Main Window:
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- Select *FT8* on the *Mode* menu.
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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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- Set Tx frequency to 1600 Hz, Rx to 1442 Hz.
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- Double-click on *Erase* to clear both text windows.
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- Double-click on *Erase* to clear both text windows.
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.Wide Graph Settings:
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.Wide Graph Settings:
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@ -13,11 +13,13 @@ frequency limit is approximately 2600 Hz.
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.Open a Wave File:
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.Open a Wave File:
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- Select *File | Open* and navigate to
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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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+...\save\samples\FT8\181201_180245.wav+. The waterfall and Band
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text window should look something like the following screen shots:
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Activity window should look something like the following screen shots.
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(This recording was made during the "FT8 Roundup" contest, so most
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transmissions happen to be using *RTTY Roundup* message formats.)
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[[X15]]
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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_waterfall.png[align="left",alt="Wide Graph Decode 170709_135615"]
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image::ft8_decodes.png[align="left"]
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image::ft8_decodes.png[align="left"]
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@ -37,9 +39,9 @@ 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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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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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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- Now double-click on any of the the lines of decoded text in the Band
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window. All three lines will show the same behavior, setting Rx
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Activity window. Any line will show the same behavior, setting
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frequency to that of the selected message and leaving Tx frequency
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Rx 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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unchanged. To change both Rx and Tx frequencies, hold *Ctrl* down
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when double-clicking.
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when double-clicking.
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@ -241,10 +241,8 @@ up to about 2100 km (1300 miles). Completing a QSO takes longer in
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the evening than in the morning, longer at higher frequencies, and
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the evening than in the morning, longer at higher frequencies, and
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longer at distances close to the upper limit. But with patience, 100
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longer at distances close to the upper limit. But with patience, 100
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Watts or more, and a single yagi it can usually be done. The
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Watts or more, and a single yagi it can usually be done. The
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following screen shot shows two 15-second MSK144 transmissions from
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following screen shot shows two 15-second reception intervals
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W5ADD during a 50 MHz QSO with K1JT, at a distance of about 1800 km
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containing MSK144 signals from three different stations.
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(1100 mi). The decoded segments have been marked on the *Fast
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Graph* spectral display.
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image::MSK144.png[align="center",alt="MSK144"]
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image::MSK144.png[align="center",alt="MSK144"]
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