46 lines
1.1 KiB
Awk
46 lines
1.1 KiB
Awk
# program to produce loran tdata statistics from clockstats files
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#
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# usage: awk -f tdata.awk clockstats
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#
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# format of input record (missing replaced by -40.0)
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# 49228 36.852 127.127.10.1 93:241:00:00:20.812 LORAN TDATA
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# M OK 0 0 1169.14 -7.4 3.16E-07 .424
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# W CV 0 0 3329.30 -16.4 1.81E-06
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# X OK 0 0 1737.19 -10.5 3.44E-07 .358
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# Y OK 0 0 2182.07 -9.0 4.41E-07 .218
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#
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# format of output record (signal values are in dB)
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# MJD sec time M W X Y Z
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# 49228 36.852 175.0 -7.4 -16.4 -10.5 -9.0
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#
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# select LORAN TDATA records with valid format
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{
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if (NF >= 7 && $6 == "TDATA") {
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m = w = x = y = z = -40.0
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for (i = 7; i < NF - 5; i++) {
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if ($i == "M" && $(i+1) == "OK") {
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i += 5
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m = $i
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}
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else if ($i == "W" && $(i+1) == "OK") {
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i += 5
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w = $i
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}
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else if ($i == "X" && $(i+1) == "OK") {
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i += 5
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x = $i
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}
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else if ($i == "Y" && $(i+1) == "OK") {
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i += 5
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y = $i
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}
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else if ($i == "Z" && $(i+1) == "OK") {
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i += 5
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z = $i
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}
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}
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printf "%5s %9.3f %6.1f %6.1f %6.1f %6.1f %6.1f\n", $1, $2, m, w, x, y, z
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}
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}
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