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Forgot to put utilities.adoc in SVN. Here it is.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3675 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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doc/source/utilities.adoc
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doc/source/utilities.adoc
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// Status=review
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Utility programs +jt9code+ and +jt65code+ let you explore the
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conversion of user-level messages into channel symbols or ``tone
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numbers,'' and back again into user-readable text. These programs can
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be especially useful to someone designing a beacon generator for JT9
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or JT65, or for studying behavior of the error-control codes.
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Channel-symbol values for JT9 run from 0 to 8, with 0 representing the
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sync tone. The total number of symbols is 85. To run +jt9code+,
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enter the program name followed by a JT9 message enclosed in quotes.
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In Windows the result might look like this:
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C:\WSJTX> jt9code "G0XYZ K1ABC FN42"
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Message: G0XYZ K1ABC FN42
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Channel symbols:
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0 0 7 3 0 3 2 5 4 0 1 7 7 7 8 0 4 8 8 2 2 1 0 1 1 3 5 4 5 6
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8 7 0 6 0 1 8 3 3 7 8 1 1 2 4 5 8 1 5 2 0 0 8 6 0 5 8 5 1 0
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5 8 7 7 2 0 4 6 6 6 7 6 0 1 8 8 5 7 2 5 1 5 0 4 0
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Decoded message: G0XYZ K1ABC FN42
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For the corresponding program +jt65code+ only the information-carrying
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channel symbols are shown, and the symbol values range from 0 to 63.
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Sync synbols lie two tone intervals below data tone 0, and the
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sequential locations of sync symbols are described in the
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<<JT65PRO,JT65 Protocol>> section of this Guide.
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A typical execution of jt65code is shown below. The program displays
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the packed message of 72 bits (shown as 12 six-bit symbol values),
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followed by the channel symbols:
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C:\WSJTX> jt65code "G0XYZ K1ABC FN42"
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Message: G0XYZ K1ABC FN42
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Packed message, 6-bit symbols: 61 36 45 30 3 55 3 2 14 5 33 40
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Information-carrying channel symbols:
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56 40 8 40 51 47 50 34 44 53 22 53 28 31 13 60 46 2 14 58 43
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41 58 35 8 35 3 24 1 21 41 43 0 25 54 9 41 54 7 25 21 9
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62 59 7 43 31 21 57 13 59 41 17 49 19 54 21 39 33 42 18 2 60
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Decoded message: G0XYZ K1ABC FN42
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For an interesting illustration of the power of the strong
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error-control coding in JT9 and JT65, try looking at the channel
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symbols after changing a single character in the message. For
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example, change the grid locator from FN42 to FN43:
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C:\Users\joe\wsjt\wsjtx_install>jt65code "G0XYZ K1ABC FN43"
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Message: G0XYZ K1ABC FN43
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Packed message, 6-bit symbols: 61 36 45 30 3 55 3 2 14 5 33 41
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Information-carrying channel symbols:
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25 35 47 8 13 9 61 40 44 9 51 6 8 40 38 34 8 2 21 23 30
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51 32 56 39 35 3 50 48 30 8 5 40 18 54 9 24 30 26 61 23 11
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3 59 7 7 39 1 25 24 4 50 17 49 52 19 34 7 4 34 61 2 61
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Decoded message: G0XYZ K1ABC FN43
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You will discover that every possible JT65 message differs from every
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other possible JT65 message in at least 52 of the 63
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information-carrying channel symbols.
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//--------------------------------------------------------- MainWindow
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//---------------------------------------------------------- MainWindow
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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wsjtx.iss
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wsjtx.iss
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[Setup]
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AppName=wsjtx
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AppVerName=wsjtx Version 1.2.2 r3669
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AppVerName=wsjtx Version 1.3 r3673
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AppCopyright=Copyright (C) 2001-2014 by Joe Taylor, K1JT
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DefaultDirName=c:\wsjtx1.2
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DefaultGroupName=wsjtx1.2
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DefaultDirName=c:\wsjtx
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DefaultGroupName=wsjtx
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[Files]
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Source: "c:\Users\joe\wsjt\wsjtx_install\wsjtx.exe"; DestDir: "{app}"
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@ -19,13 +19,12 @@ Source: "c:\Users\joe\wsjt\wsjtx\CALL3.TXT"; DestDir
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Source: "c:\Users\joe\wsjt\wsjtx\shortcuts.txt"; DestDir: "{app}"
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Source: "c:\Users\joe\wsjt\wsjtx\mouse_commands.txt"; DestDir: "{app}"
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Source: "c:\Users\joe\wsjt\wsjtx\prefixes.txt"; DestDir: "{app}"
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Source: "c:\Users\joe\wsjt\wsjtx\WSJT-X_Users_Guide_v1.2.pdf"; DestDir: "{app}"
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Source: "c:\Users\joe\wsjt\wsjtx_install\save\Samples\130418_1742.wav"; DestDir: "{app}\save\Samples";
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Source: "c:\Users\joe\wsjt\wsjtx_install\save\Samples\130610_2343.wav"; DestDir: "{app}\save\Samples";
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Source: "c:\Users\joe\wsjt\wsjtx_install\platforms\qwindows.dll"; DestDir: "{app}\platforms";
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Source: "c:\Users\joe\wsjt\wsjtx_install\Palettes\*.pal"; DestDir: "{app}\Palettes";
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[Icons]
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Name: "{group}\wsjtx1.2"; Filename: "{app}\wsjtx.exe"; WorkingDir: {app}; IconFilename: {app}\wsjt.ico
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Name: "{userdesktop}\wsjtx1.2"; Filename: "{app}\wsjtx.exe"; WorkingDir: {app}; IconFilename: {app}\wsjt.ico
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Name: "{group}\wsjtx1.3"; Filename: "{app}\wsjtx.exe"; WorkingDir: {app}; IconFilename: {app}\wsjt.ico
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Name: "{userdesktop}\wsjtx1.3"; Filename: "{app}\wsjtx.exe"; WorkingDir: {app}; IconFilename: {app}\wsjt.ico
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