Survey Identifier: DSDP22GC
Format Acronym: MGD77
Data Center File Number: 15050020
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19791122
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SCLATER J.,VON DER BORCH C.
Project: DEEPSEA DRILL.LG 22 <NSF>
Survey Departure Date (yyyymmdd): 19720114
Port of Departure: DARWIN,AUSTRALIA
Survey Arrival Date (yyyymmdd): 19720305
Port of Arrival: COLUMBO,CEYLON
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +10
Bottommost Latitude: -20
Leftmost Longitude: +081
Rightmost Longitude: +130
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.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 6597
Min/Max Data Record:
Date: 1972 01 14
Latitude: -19.53830
Longitude: +81.61190
Bathymetry, 2- Way Traveltime: 000600
Bathymetry, Corrected Depth: 45.0
Magnetics Total Field, 1st Sensor: 402150
Magnetics Residual Field: -07850
Min/Max Data Record:
Date: 1972 03 05
Latitude: +9.05780
Longitude: +129.05360
Bathymetry, 2- Way Traveltime: 082774
Bathymetry, Corrected Depth: 6271.0
Magnetics Total Field, 1st Sensor: 507200
Magnetics Residual Field: +03300