# program to produce intewrnal time/frequence statistics from clockstats files # # usage: awk -f itf.awk clockstats # # format of input record # 49227 67.846 127.127.10.1 93:240:00:00:51.816 ITF # COCO 0 +2.0579E-07 -3.1037E-08 -7.7723E-11 +6.5455E-10 500.00 4.962819 # # format of output record (time values in nanoseconds) # MJD sec time freq # 49227 67.846 +2.0579E-07 -7.7723E-11 # # select ITF records with valid format { if (NF >= 10 && $5 == "ITF") { printf "%5s %9.3f %7.1f %10.3e\n", $1, $2, $8 * 1e9, $10 } }