Survey Identifier: DSDP39GC


Format Acronym: MGD77
Data Center File Number: 15050037
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): PERCH-NIELSEN K.,SUPKO P.R.
Project: DEEPSEA DRILL.LG 39 <NSF>
Survey Departure Date (yyyymmdd): 19741006
Port of Departure: AMSTERDAM,NETHERLANDS
Survey Arrival Date (yyyymmdd): 19741217
Port of Arrival: CAPE TOWN,SOUTH AFRICA
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: +48
Bottommost Latitude: -38
Leftmost Longitude: -045
Rightmost Longitude: +018
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: 11798

Min/Max Data Record:
Date: 1974 10 09
Latitude: -37.65510
Longitude: -44.38820
Bathymetry, 2- Way Traveltime: 000800
Bathymetry, Corrected Depth: 60.0
Magnetics Total Field, 1st Sensor: 235620
Magnetics Residual Field: -06830

Min/Max Data Record:
Date: 1974 12 16
Latitude: +47.55000
Longitude: +17.25290
Bathymetry, 2- Way Traveltime: 083200
Bathymetry, Corrected Depth: 6328.0
Magnetics Total Field, 1st Sensor: 467370
Magnetics Residual Field: +07000