DEFN 1 ST=RECD,RT=PROJ; RT: A4
DEFN 2 ST=RECD,RT=PROJ; PROJNAME: A24: 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: D19.16: 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: A24: NAME=Datum_transform
DEFN 3 ST=RECD,RT=TRNS; TRNSFRM1: D2.0: NAME=Trnsfrm_par1
DEFN 4 ST=RECD,RT=TRNS; TRNSFRM2: D2.0: NAME=Trnsfrm_par2
DEFN 5 ST=RECD,RT=TRNS; TRNSFRM3: D2.0: NAME=Trnsfrm_par3
DEFN 6 ST=RECD,RT=TRNS; TRNSFRM4: D2.0: NAME=Trnsfrm_par4
DEFN 7 ST=RECD,RT=TRNS; TRNSFRM5: D2.0: NAME=Trnsfrm_par5
DEFN 8 ST=RECD,RT=TRNS; TRNSFRM6: D2.0: NAME=Trnsfrm_par6
DEFN 9 ST=RECD,RT=TRNS; TRNSFRM7: D2.0: NAME=Trnsfrm_par7
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:F10.0:NULL=-9999999.,NAME=Line
DEFN 3 ST=RECD,RT=;Time_Sec:F14.2:NULL=-999999999.99,NAME=Time_Sec
DEFN 4 ST=RECD,RT=;EAST:F13.2:NULL=-99999999.99,UNIT=m,NAME=East_GDA94
DEFN 5 ST=RECD,RT=;NORTH:F14.2:NULL=-999999999.99,UNIT=m,NAME=North_GDA94
DEFN 6 ST=RECD,RT=;GpsAlt:F12.2:NULL=-9999999.99,NAME=UAV_GpsAlt
DEFN 7 ST=RECD,RT=;DTM_Ground:F10.2:NULL=-99999.99,UNIT=m,NAME=DTM_Ground
DEFN 8 ST=RECD,RT=;DTM_TreeTop:F14.2:NULL=-999999999.99,UNIT=m,NAME=DTM_TreeTop
DEFN 9 ST=RECD,RT=;VecX:F13.3:NULL=-9999999.999,NAME=VecX
DEFN 10 ST=RECD,RT=;VecY:F13.3:NULL=-9999999.999,NAME=VecY
DEFN 11 ST=RECD,RT=;VecZ:F12.3:NULL=-999999.999,NAME=VecZ
DEFN 12 ST=RECD,RT=;Raw_Mag:F13.4:NULL=-999999.9999,NAME=Raw_Mag
DEFN 13 ST=RECD,RT=;comp_Mag:F12.4:NULL=-99999.9999,NAME=comp_Mag
DEFN 14 ST=RECD,RT=;Mag_D4:F13.4:NULL=-999999.9999,NAME=Mag_D4
DEFN 15 ST=RECD,RT=;IGRF:F13.4:NULL=-999999.9999,NAME=IGRF
DEFN 16 ST=RECD,RT=;diurnal:F13.4:NULL=-999999.9999,NAME=diurnal
DEFN 17 ST=RECD,RT=;MagTie:F11.4:NULL=-9999.9999,NAME=MagTie
DEFN 18 ST=RECD,RT=;MagLev:F11.4:NULL=-9999.9999,NAME=MagLev;END DEFN