Survey Identifier: DSDP62GC
Format Acronym: MGD77
Data Center File Number: 15050061
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800703
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): VALLIER T.,THIEDE J.
Project: DEEPSEA DRILL.LG 62 <NSF>
Survey Departure Date (yyyymmdd): 19780729
Port of Departure: MAJURO,MARSHALL ISLANDS
Survey Arrival Date (yyyymmdd): 19780906
Port of Arrival: HONOLULU,HAWAII
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/EDO 550A RECORDERS/WIDE BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: GEOMETRICS MAGNETOMETER MOD G-801/3
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO 550 REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +40
Bottommost Latitude: +07
Leftmost Longitude: +171
Rightmost Longitude: -159
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 6270
Min/Max Data Record:
Date: 1978 07 29
Latitude: +7.26660
Longitude: -179.99150
Bathymetry, 2- Way Traveltime: 017275
Bathymetry, Corrected Depth: 1290.0
Magnetics Total Field, 1st Sensor: 328600
Magnetics Residual Field: -09040
Min/Max Data Record:
Date: 1978 09 06
Latitude: +39.95350
Longitude: +179.99530
Bathymetry, 2- Way Traveltime: 079725
Bathymetry, Corrected Depth: 6031.0
Magnetics Total Field, 1st Sensor: 417360
Magnetics Residual Field: +05530