Survey Identifier: DSDP04GC


Format Acronym: MGD77
Data Center File Number: 15050002
Parameters Surveyed Code: 33113
File Creation Date (yyyymmdd): 19791212
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BADER R.G.,GERARD R.D.
Project: DEEPSEA DRILL.LG 4 <NSF>
Survey Departure Date (yyyymmdd): 19690127
Port of Departure: RIO DE JANEIRO,BRAZIL
Survey Arrival Date (yyyymmdd): 19690324
Port of Arrival: SAN CHRISTOBAL,PANAMA
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,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,35MM FILM
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: +21
Bottommost Latitude: -18
Leftmost Longitude: -081
Rightmost Longitude: -031
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Sampling Rate of Magnetics: 06
Additional Documentation: *TIME*NAV AND RECORDS ORIGINALLY IN LOCAL TZ. DIGITIZED DATA CONVERTED TO GMT.
Number of Data Records: 2600

Min/Max Data Record:
Date: 1969 01 29
Latitude: -17.36470
Longitude: -37.34470

Min/Max Data Record:
Date: 1969 02 07
Latitude: -5.95850
Longitude: -30.89100