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Fix rendering of examples in jt65code man page.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4255 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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Bill Somerville 2014-09-05 18:53:55 +00:00
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manpages/man1/jt65code.1.txt
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@ -11,6 +11,7 @@ jt65code, jt9code - Weak signal communications encoding support utility.
== SYNOPSIS == SYNOPSIS
*jt65code* MESSAGE *jt65code* MESSAGE
*jt9code* MESSAGE *jt9code* MESSAGE
== DESCRIPTION == DESCRIPTION
@ -27,6 +28,7 @@ sync tone. The total number of symbols in a transmitted message is
enclosed in quotes. In Windows the command and program output might enclosed in quotes. In Windows the command and program output might
look like this: look like this:
.....
$ jt9code "G0XYZ K1ABC FN42" $ jt9code "G0XYZ K1ABC FN42"
Message: G0XYZ K1ABC FN42 Message: G0XYZ K1ABC FN42
Channel symbols: Channel symbols:
@ -34,6 +36,7 @@ Channel symbols:
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 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
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 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
Decoded message: G0XYZ K1ABC FN42 Decoded message: G0XYZ K1ABC FN42
.....
For the corresponding program jt65code only the information-carrying For the corresponding program jt65code only the information-carrying
channel symbols are shown, and the symbol values range from 0 to channel symbols are shown, and the symbol values range from 0 to
@ -45,6 +48,7 @@ A typical execution of jt65code is shown below. The program displays
the packed message of 72 bits, shown here as 12 six-bit symbol values, the packed message of 72 bits, shown here as 12 six-bit symbol values,
followed by the channel symbols: followed by the channel symbols:
.....
$ jt65code "G0XYZ K1ABC FN42" $ jt65code "G0XYZ K1ABC FN42"
Message: G0XYZ K1ABC FN42 Message: G0XYZ K1ABC FN42
Packed message, 6-bit symbols: 61 36 45 30 3 55 3 2 14 5 33 40 Packed message, 6-bit symbols: 61 36 45 30 3 55 3 2 14 5 33 40
@ -53,12 +57,14 @@ Information-carrying channel symbols:
41 58 35 8 35 3 24 1 21 41 43 0 25 54 9 41 54 7 25 21 9 41 58 35 8 35 3 24 1 21 41 43 0 25 54 9 41 54 7 25 21 9
62 59 7 43 31 21 57 13 59 41 17 49 19 54 21 39 33 42 18 2 60 62 59 7 43 31 21 57 13 59 41 17 49 19 54 21 39 33 42 18 2 60
Decoded message: G0XYZ K1ABC FN42 Decoded message: G0XYZ K1ABC FN42
.....
For an illustration of the power of the strong error-control coding in For an illustration of the power of the strong error-control coding in
JT9 and JT65, try looking at the channel symbols after changing a JT9 and JT65, try looking at the channel symbols after changing a
single character in the message. For example, change the grid locater single character in the message. For example, change the grid locater
from FN42 to FN43 in the JT65 message: from FN42 to FN43 in the JT65 message:
.....
$ jt65code "G0XYZ K1ABC FN43" $ jt65code "G0XYZ K1ABC FN43"
Message: G0XYZ K1ABC FN43 Message: G0XYZ K1ABC FN43
Packed message, 6-bit symbols: 61 36 45 30 3 55 3 2 14 5 33 41 Packed message, 6-bit symbols: 61 36 45 30 3 55 3 2 14 5 33 41
@ -67,6 +73,7 @@ Information-carrying channel symbols:
51 32 56 39 35 3 50 48 30 8 5 40 18 54 9 24 30 26 61 23 11 51 32 56 39 35 3 50 48 30 8 5 40 18 54 9 24 30 26 61 23 11
3 59 7 7 39 1 25 24 4 50 17 49 52 19 34 7 4 34 61 2 61 3 59 7 7 39 1 25 24 4 50 17 49 52 19 34 7 4 34 61 2 61
Decoded message: G0XYZ K1ABC FN43 Decoded message: G0XYZ K1ABC FN43
.....
You will discover that every possible JT65 message differs from every You will discover that every possible JT65 message differs from every
other possible JT65 message in at least 52 of the 63 other possible JT65 message in at least 52 of the 63