Survey Identifier: DSDP06GC
Format Acronym: MGD77
Data Center File Number: 15050004
Parameters Surveyed Code: 53113
File Creation Date (yyyymmdd): 19810616
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): FISCHER A.G.,HEEZEN B.C.
Project: DEEPSEA DRILL.LG 6 <NSF>
Survey Departure Date (yyyymmdd): 19690611
Port of Departure: HONOLULU,HAWAII
Survey Arrival Date (yyyymmdd): 19690805
Port of Arrival: APRA,GUAM
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: ANALOGUE RECORDS,PUNCHED CARDS
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: +34
Bottommost Latitude: +08
Leftmost Longitude: +140
Rightmost Longitude: -158
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 Sampling Rate of Magnetics: 06
Additional Documentation: *TIME*NAV AND RECORDS ORIGINALLY IN LOCAL TZ. DIGITIZED DATA CONVERTED TO GMT.
Number of Data Records: 15502
Min/Max Data Record:
Date: 1969 06 12
Latitude: +8.01330
Longitude: -179.99130
Bathymetry, 2- Way Traveltime: 002900
Bathymetry, Corrected Depth: 222.0
Min/Max Data Record:
Date: 1969 08 04
Latitude: +33.47160
Longitude: +179.99360
Bathymetry, 2- Way Traveltime: 134000
Bathymetry, Corrected Depth: 10382.0