BEGIN {
#usage: awk -f HT_doGPGGA.awk filename.txt
#NOTE: change the JD in the printf statement
printf("Latitude, Longitude, Hours, Minutes, Seconds, Julian_Day, Year, CruiseID\n")
FS = ","
}
{
FS = ","
if ($1 =="$GPGGA") {
		
	hr = substr($2,1,2)
	min = substr($2,3,2)
	sec = substr($2,5,2)
	latdeg = substr($3,1,2)
	latmin = substr($3,3,9)
	londeg = substr($5,1,3)
	lonmin = substr($5,4,9)
	declat = latdeg + (latmin / 60)
	declon = -1 * (londeg + (lonmin / 60))
	printf ("%9.6f, %10.6f, %s, %s, %s, 254, 2007, 07003\n",declat,declon,hr,min,sec)
	}
}