Survey Identifier: DSDP35GC
Format Acronym: MGD77
Data Center File Number: 15050033
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19791124
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CRADDOCK C.,HOLLISTER C.
Project: DEEPSEA DRILL.LG 35 <NSF>
Survey Departure Date (yyyymmdd): 19740213
Port of Departure: CALLAO,PERU
Survey Arrival Date (yyyymmdd): 19740329
Port of Arrival: USHUAIA,ARGENTINA
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: -12
Bottommost Latitude: -70
Leftmost Longitude: -099
Rightmost Longitude: -066
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: 7700
Min/Max Data Record:
Date: 1974 02 13
Latitude: -69.09990
Longitude: -98.91740
Bathymetry, 2- Way Traveltime: 001424
Bathymetry, Corrected Depth: 107.0
Magnetics Total Field, 1st Sensor: 257650
Magnetics Residual Field: -04100
Min/Max Data Record:
Date: 1974 03 29
Latitude: -12.10330
Longitude: -66.79100
Bathymetry, 2- Way Traveltime: 084224
Bathymetry, Corrected Depth: 6379.0
Magnetics Total Field, 1st Sensor: 525250
Magnetics Residual Field: +05800