# program to produce external time/frequence statistics from clockstats files## usage: awk -f etf.awk clockstats## format of input record# 49165 40.473 127.127.10.1 93:178:00:00:39.238 ETF# +175.0 +176.8 2.0 +3.729E-11 +1.000E-10 +3.511E-11 4.005E-13 500## format of output record (time values in nanoseconds)#  MJD      sec      time    freq# 49165    40.473   175.0  3.729e-11## select ETF records with valid format{	if (NF >= 9 && $5 == "ETF") {		printf "%5s %9.3f %7.1f %10.3e\n", $1, $2, $6, $9	}}