DEFN 1 ST=RECD,RT=PROJ; RT: A4
DEFN 2 ST=RECD,RT=PROJ; PROJNAME: A40: NAME=projection name, POSC projection name
DEFN 3 ST=RECD,RT=PROJ; ELLPSNAM: A10: NAME=ellipsoid name, POSC compliant ellipsoid name
DEFN 4 ST=RECD,RT=PROJ; MAJ_AXIS: D8.0: UNIT=m, NAME=major_axis, Major axis in units relevant to the ellipsoid definition
DEFN 5 ST=RECD,RT=PROJ; ECCENT: D11.8: NAME=eccentricity, 1/f inverse of flattening
DEFN 6 ST=RECD,RT=PROJ; PRIMEMER: D2.0: UNIT=deg, NAME=prime_meridian,Location of prime meridian relativeto Greenwich
DEFN 7 ST=RECD,RT=PROJ; PROJMETH: A24: NAME=projection_method, eg.Transverse Mercator, Lambert etc
DEFN 8 ST=RECD,RT=PROJ; PARAM1: D2.0: NAME=Proj_par1
DEFN 9 ST=RECD,RT=PROJ; PARAM2: D4.0: NAME=Proj_par2
DEFN 10 ST=RECD,RT=PROJ; PARAM3: D7.4: NAME=Proj_par3
DEFN 11 ST=RECD,RT=PROJ; PARAM4: D7.0: NAME=Proj_par4
DEFN 12 ST=RECD,RT=PROJ; PARAM5: D9.0: NAME=Proj_par5
DEFN 1 ST=RECD,RT=TRNS; RT: A4
DEFN 2 ST=RECD,RT=TRNS; DTMTRNSFM: A25: NAME=Datum_transform
DEFN 3 ST=RECD,RT=TRNS; TRNSFRM1: D9.3: NAME=Trnsfrm_par1
DEFN 4 ST=RECD,RT=TRNS; TRNSFRM2: D8.3: NAME=Trnsfrm_par2
DEFN 5 ST=RECD,RT=TRNS; TRNSFRM3: D7.2: NAME=Trnsfrm_par3
DEFN 6 ST=RECD,RT=TRNS; TRNSFRM4: D6.3: NAME=Trnsfrm_par4
DEFN 7 ST=RECD,RT=TRNS; TRNSFRM5: D6.3: NAME=Trnsfrm_par5
DEFN 8 ST=RECD,RT=TRNS; TRNSFRM6: D6.3: NAME=Trnsfrm_par6
DEFN 9 ST=RECD,RT=TRNS; TRNSFRM7: D7.3: NAME=Trnsfrm_par7
DEFN   ST=RECD,RT=COMM;RT:A4;COMMENTS:A76
DEFN 0 ST=RECD,RT=;RT:A4;FLTLINE:I8:NAME=line number
DEFN 1 ST=RECD,RT=;FIDUCIAL:F7.0:NULL=-9999.:NAME=fiducial number
DEFN 2 ST=RECD,RT=;FLIGHT:F3.0:NULL=-.:NAME=flight number
DEFN 3 ST=RECD,RT=;DAY:F3.0:NULL=-.:NAME=julian day
DEFN 4 ST=RECD,RT=;TIME:F8.1:NULL=-9999.9:UNIT=seconds:NAME=local time
DEFN 5 ST=RECD,RT=;LATITUDE:F12.7:NULL=-99.9999999:UNIT=dega:NAME=latitude (GDA94)
DEFN 6 ST=RECD,RT=;LONGITUDE:F12.7:NULL=-99.9999999:UNIT=dega:NAME=longitude (GDA94)
DEFN 7 ST=RECD,RT=;EASTGDA94:F10.2:NULL=-99999.99:UNIT=m:NAME=easting (GDA94)   
DEFN 8 ST=RECD,RT=;NORTHGDA94:F11.2:NULL=-999999.99:UNIT=m:NAME=northing (GDA94)  
DEFN 7 ST=RECD,RT=;EASTAGD66:F10.2:NULL=-99999.99:UNIT=m:NAME=easting (AGD66)   
DEFN 8 ST=RECD,RT=;NORTHAGD66:F11.2:NULL=-999999.99:UNIT=m:NAME=northing (AGD66)  
DEFN 9 ST=RECD,RT=;RAWMAG:F10.3:NULL=-9999.999:UNIT=nT:NAME=raw magnetics
DEFN 10 ST=RECD,RT=;COMPMAG:F10.3:NULL=-9999.999:UNIT=nT:NAME=compensated magnetics
DEFN 11 ST=RECD,RT=;BASEMAG:F10.3:NULL=-9999.999:UNIT=nT:NAME=base magnetics
DEFN 12 ST=RECD,RT=;FINMAG:F10.3:NULL=-9999.999:UNIT=nT:NAME=final magnetics
DEFN 13 ST=RECD,RT=;RADALT:F6.1:NULL=-99.9:UNIT=m:NAME=radar altimeter;END DEFN