Survey Identifier: DSDP09GC
Format Acronym: MGD77
Data Center File Number: 15050007
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): HAYS J.D.,COOK H.E.
Project: DEEPSEA DRILL.LG 9 <NSF>
Survey Departure Date (yyyymmdd): 19691206
Port of Departure: PAPEETE,TAHITI
Survey Arrival Date (yyyymmdd): 19700127
Port of Arrival: BALBOA,CANAL ZONE
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: +09
Bottommost Latitude: -15
Leftmost Longitude: -150
Rightmost Longitude: -082
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 0224(+10)7DEC70 TO 1335(+8)23DEC70
Number of Data Records: 14394
Min/Max Data Record:
Date: 1969 12 07
Latitude: -14.68060
Longitude: -149.02680
Bathymetry, 2- Way Traveltime: 001250
Bathymetry, Corrected Depth: 94.0
Magnetics Total Field, 1st Sensor: 323300
Magnetics Residual Field: -05150
Min/Max Data Record:
Date: 1970 01 26
Latitude: +8.02570
Longitude: -82.64500
Bathymetry, 2- Way Traveltime: 067000
Bathymetry, Corrected Depth: 5048.0
Magnetics Total Field, 1st Sensor: 362840
Magnetics Residual Field: +05010