Survey Identifier: DSDP41GC
Format Acronym: MGD77
Data Center File Number: 15050039
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19791125
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SEIBOLD E.,LANCELOT Y.
Project: DEEPSEA DRILL.LG 41 <NSF>
Survey Departure Date (yyyymmdd): 19750217
Port of Departure: ABIDJAN,IVORY COAST
Survey Arrival Date (yyyymmdd): 19750410
Port of Arrival: MALAGA,SPAIN
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/EDO 550A RECORDER/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: +36
Bottommost Latitude: +04
Leftmost Longitude: -023
Rightmost Longitude: -004
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.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 4528
Min/Max Data Record:
Date: 1975 02 18
Latitude: +4.07460
Longitude: -22.90500
Bathymetry, 2- Way Traveltime: 000476
Bathymetry, Corrected Depth: 36.0
Magnetics Total Field, 1st Sensor: 293180
Magnetics Residual Field: -04360
Min/Max Data Record:
Date: 1975 04 09
Latitude: +35.55010
Longitude: -4.55370
Bathymetry, 2- Way Traveltime: 066244
Bathymetry, Corrected Depth: 4998.0
Magnetics Total Field, 1st Sensor: 420740
Magnetics Residual Field: +11160