Survey Identifier: DSDP95GC
Format Acronym: MGD77
Data Center File Number: 15050095
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19840118
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): POAG W.C.,WATTS A.B.
Project: DEEPSEA DRILL.LG 95 <NSF OCE80-24472>
Survey Departure Date (yyyymmdd): 19830821
Port of Departure: ST.JOHNS,NEWFOUNLAND
Survey Arrival Date (yyyymmdd): 19830925
Port of Arrival: FT.LAUDERDALE,FLORIDA
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: +47
Bottommost Latitude: +27
Leftmost Longitude: -080
Rightmost Longitude: -052
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: 3614
Min/Max Data Record:
Date: 1983 08 21
Latitude: +27.49360
Longitude: -79.32380
Bathymetry, 2- Way Traveltime: 000875
Bathymetry, Corrected Depth: 66.0
Magnetics Total Field, 1st Sensor: 487150
Magnetics Residual Field: -01060
Min/Max Data Record:
Date: 1983 09 25
Latitude: +46.75000
Longitude: -52.70000
Bathymetry, 2- Way Traveltime: 061200
Bathymetry, Corrected Depth: 4628.0
Magnetics Total Field, 1st Sensor: 548260
Magnetics Residual Field: +07470