Survey Identifier: DSDP92GC


Format Acronym: MGD77
Data Center File Number: 15050092
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19830823
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LEINEN M.,REA D.
Project: DEEPSEA DRILL.LG92 <NSF OCE80-24472>
Survey Departure Date (yyyymmdd): 19830224
Port of Departure: PAPEETE,TAHITI
Survey Arrival Date (yyyymmdd): 19830418
Port of Arrival: BALBOA,PANAMA
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: +08
Bottommost Latitude: -20
Leftmost Longitude: -150
Rightmost Longitude: -080
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: 8258

Min/Max Data Record:
Date: 1983 02 24
Latitude: -19.46291
Longitude: -149.64161
Bathymetry, 2- Way Traveltime: 010625
Bathymetry, Corrected Depth: 795.0
Magnetics Total Field, 1st Sensor: 295990
Magnetics Residual Field: -32760

Min/Max Data Record:
Date: 1983 04 18
Latitude: +7.00530
Longitude: -80.17431
Bathymetry, 2- Way Traveltime: 065900
Bathymetry, Corrected Depth: 4960.0
Magnetics Total Field, 1st Sensor: 376790
Magnetics Residual Field: +04540