1# program to produce loran tdata statistics from clockstats files 2# 3# usage: awk -f tdata.awk clockstats 4# 5# format of input record (missing replaced by -40.0) 6# 49228 36.852 127.127.10.1 93:241:00:00:20.812 LORAN TDATA 7# M OK 0 0 1169.14 -7.4 3.16E-07 .424 8# W CV 0 0 3329.30 -16.4 1.81E-06 9# X OK 0 0 1737.19 -10.5 3.44E-07 .358 10# Y OK 0 0 2182.07 -9.0 4.41E-07 .218 11# 12# format of output record (time in nanoseconds, signal values in dB) 13# MJD sec time M W X Y Z 14# 49228 36.852 175.0 -7.4 -16.4 -10.5 -9.0 15# 16# select LORAN TDATA records with valid format 17{ 18 if (NF >= 7 && $6 == "TDATA") { 19 m = w = x = y = z = -40.0 20 for (i = 7; i < NF - 5; i++) { 21 if ($i == "M" && $(i+1) == "OK") { 22 i += 5 23 m = $i 24 } 25 else if ($i == "W" && $(i+1) == "OK") { 26 i += 5 27 w = $i 28 } 29 else if ($i == "X" && $(i+1) == "OK") { 30 i += 5 31 x = $i 32 } 33 else if ($i == "Y" && $(i+1) == "OK") { 34 i += 5 35 y = $i 36 } 37 else if ($i == "Z" && $(i+1) == "OK") { 38 i += 5 39 z = $i 40 } 41 } 42 printf "%5s %9.3f %6.1f %6.1f %6.1f %6.1f %6.1f\n", $1, $2, m, w, x, y, z 43 } 44} 45 46