Survey Identifier: DSDP08GC
Format Acronym: MGD77
Data Center File Number: 15050006
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19810618
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): TRACEY J.I.,SUTTON G.H.
Project: DEEPSEA DRILL.LG 8 <NSF>
Survey Departure Date (yyyymmdd): 19691008
Port of Departure: HONOLULU,HAWAII
Survey Arrival Date (yyyymmdd): 19691202
Port of Arrival: PAPEETE,TAHITI
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: +21
Bottommost Latitude: -18
Leftmost Longitude: -165
Rightmost Longitude: -134
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
Additional Documentation: *TIME*NAV AND RECORDS ORIGINALLY IN LOCAL TZ. DIGITIZED DATA CONVERTED TO GMT. *MAG INCOMPLETE* DIGITIZED ONLY FROM 1405(+9)10NOV70 TO 0500(+10)2DEC70
Number of Data Records: 15754
Min/Max Data Record:
Date: 1969 10 08
Latitude: -17.44821
Longitude: -164.33500
Bathymetry, 2- Way Traveltime: 014000
Bathymetry, Corrected Depth: 1051.0
Magnetics Total Field, 1st Sensor: 322530
Magnetics Residual Field: -06010
Min/Max Data Record:
Date: 1969 12 02
Latitude: +20.91650
Longitude: -134.22550
Bathymetry, 2- Way Traveltime: 075900
Bathymetry, Corrected Depth: 5734.0
Magnetics Total Field, 1st Sensor: 375380
Magnetics Residual Field: +02740