Survey Identifier: DSDP33GC

Format Acronym: MGD77
Data Center File Number: 15050031
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19791124
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): JACKSON E.,SCHLANGER S.
Project: DEEPSEA DRILL.LG 33 <NSF>
Survey Departure Date (yyyymmdd): 19731103
Port of Departure: HONOLULU,HAWAII
Survey Arrival Date (yyyymmdd): 19731217
Port of Arrival: PAPEETE,TAHITI
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +22
Bottommost Latitude: -18
Leftmost Longitude: -169
Rightmost Longitude: -146
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN.INTERP.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 5816

Min/Max Data Record:
Date: 1973 11 03
Latitude: -17.35000
Longitude: -168.70530
Bathymetry, 2- Way Traveltime: 002500
Bathymetry, Corrected Depth: 188.0
Magnetics Total Field, 1st Sensor: 325900
Magnetics Residual Field: -06750

Min/Max Data Record:
Date: 1973 12 17
Latitude: +21.26500
Longitude: -146.50830
Bathymetry, 2- Way Traveltime: 080750
Bathymetry, Corrected Depth: 6112.0
Magnetics Total Field, 1st Sensor: 374150
Magnetics Residual Field: +04750