DEFN   ST=RECD,RT=COMM;RT:A4;COMMENTS:A76
DEFN 1 ST=RECD,RT=DATA;RT:A4;FLTLINE:F10.1:NAME=Line number
DEFN 2 ST=RECD,RT=;Line:F14.2:NULL=-999999999.99,NAME=Line Number
DEFN 3 ST=RECD,RT=;EAST:F14.2:NULL=-999999999.99,UNIT=m,NAME=Helicopter GPS E
DEFN 4 ST=RECD,RT=;NORTH:F14.2:NULL=-999999999.99,UNIT=m,NAME=Helicopter GPS N
DEFN 5 ST=RECD,RT=;GMT:F14.2:NULL=-999999999.99,UNIT=HHMMSS,NAME=Grenwich Mean Time
DEFN 6 ST=RECD,RT=;GPS_Z:F14.2:NULL=-999999999.99,UNIT=m,NAME=Helicopter GPS Z
DEFN 7 ST=RECD,RT=;Diurnal:F14.2:NULL=-999999999.99,UNIT=nT,NAME=Diurnal
DEFN 8 ST=RECD,RT=;DCorrMag:F14.2:NULL=-999999999.99,UNIT=nT,NAME=DCorrMag
DEFN 9 ST=RECD,RT=;RawMag:F9.2:NULL=-9999.99,UNIT=nT,NAME=Raw (Averaged) Mag;END DEFN
