Survey Identifier: DSDP93GC


Format Acronym: MGD77
Data Center File Number: 15050093
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19830815
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): VAN HINTE J.,WISE S.
Project: DEEPSEA DRILL.LG93 <NSF OCE80-24472>
Survey Departure Date (yyyymmdd): 19830420
Port of Departure: BALBOA,PANAMA
Survey Arrival Date (yyyymmdd): 19830616
Port of Arrival: NORFOLK,VIRGINIA
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
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO 550 REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +39
Bottommost Latitude: +10
Leftmost Longitude: -080
Rightmost Longitude: -069
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: 80
Reference Field: IGRF 1980
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 14700

Min/Max Data Record:
Date: 1983 04 20
Latitude: +10.10100
Longitude: -79.55711
Bathymetry, 2- Way Traveltime: 004900
Bathymetry, Corrected Depth: 375.0
Magnetics Total Field, 1st Sensor: 373190
Magnetics Residual Field: -02420

Min/Max Data Record:
Date: 1983 06 16
Latitude: +38.76050
Longitude: -69.98910
Bathymetry, 2- Way Traveltime: 069625
Bathymetry, Corrected Depth: 5274.0
Magnetics Total Field, 1st Sensor: 543780
Magnetics Residual Field: +06780