The following example shows loading of 2D navigation data from a UKOOA P1/90 format file.
H0100 SURVEY AREA CONOCO, NORWAY
H0102 VESSEL DETAILS M.V.CONTRACTOR 1
H0103 SOURCE DETAILS AIRGUN 1 1
H0104 STREAMER DETAILS 240 CHANNELS 1 1 1
H0200 SURVEY DATE AUGUST 1994 TO JANUARY 1995
H0201 TAPE DATE (D.M.Y.) 01.15.95
H0202 TAPE VERSION UKOOA P1/90
H0203 LINE PREFIX GP/
H0300 CLIENT GROUP PARTICIPANTS
H0400 GEOPHYSICAL CONTACTOR CONTRACTOR A
H0500 POSITIONING CONTRACTOR CONTRACTOR B
H0600 POSITIONING PROCESSING CONTRACTOR A
H0700 POSITIONING SYSTEM TRINAV GPS
H0800 SHOTPOINT POSITION CENTRE OF AIRGUN ARRAY
H0900 OFFSET SHIP SYSTEM TO SP 1 2 0.00 -56.00
H1000 CLOCK TIME GMT
H1400 GEODETIC DATUM SURVEYED WGS-72 WGS-72 6378135.000 298.26
H1401 TRANSFORMATION PARAMETERS 0.0 0.0 4.5 0 0 0.554 0.226
H1500 GEODETIC DATUM AS PLOTTED ED50 INTERNAT1924 6378388.000 297.00
H1501 TRANSFORMATION PARAMETERS 89.5 93.8 123.1 0 0 0 0
H1600 DATUM SHIFTS 89.5 93.8 118.6 0 0-0.554 -0.226
H1700 VERTICAL DATUM MSL ECHO SOUNDER
H1800 PROJECTION 001 UTM
H1900 ZONE 31 N
H2000 GRID UNITS 1 INTERNATIONALMETRE 1.00
H2001 HEIGHT UNITS 1 INTERNATIONALMETRE 1.00
H2002 ANGULAR UNITS 1 DEGREES
H2100 STANDARD PARALLELS 24 0 0.0 N 18 0 0.0 N
H2200 CENTRAL MERIDIAN 2 0 0.0 E
H2301 GRID ORIGIN 0 0 0.0 N 2 0 0.0 E
H2302 GRID COORDINATES AT ORIGIN 500000.0 E 0.0 N
H2600 DEPTH DATA REDUCTION VELOCITY SET IN E/S = 1500 M/SEC
H2600 DEPTH DATA REDUCTION CORRECTED FOR TRANSDUCER DEPTH
S94-100 11 101593608.74N 21925.59E 461828.66607483.7 125.5305170253
S94-100 11 102593608.87N 21926.50E 461842.96607487.6 125.9305170300
S94-100 11 103593608.85N 21927.33E 461855.96607486.9 125.1305170307
S94-100 11 104593608.81N 21928.20E 461869.66607485.5 127.3305170315
S94-100 11 105593608.76N 21929.12E 461884.06607483.8 132.1305170322
S94-100 11 106593608.71N 21929.94E 461896.86607482.1 127.8305170329
S94-100 11 107593608.64N 21929.82E 461894.96607480.0 135.9305170336
S94-101A 11 10001593609.22N 21927.73E 461862.36607498.2 127.7307 12499
S94-101A 11 10002593608.12N 21927.66E 461860.96607464.2 125.6307 12507
S94-101A 11 10003593608.12N 21927.49E 461858.26607464.2 126.1307 12514
S94-101A 11 10004593607.40N 21927.52E 461858.56607444.2 128.7307 12521
EOF