Survey Identifier: DSDP24GC
Format Acronym: MGD77
Data Center File Number: 15050022
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): FISHER R.L.,BUNCE E.
Project: DEEPSEA DRILL.LG 24 <NSF>
Survey Departure Date (yyyymmdd): 19720503
Port of Departure: DJIBOUTI,FRENCH SOMALILAND
Survey Arrival Date (yyyymmdd): 19720626
Port of Arrival: PT.LOUIS,MAURITIUS
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: PUNCHED CARDS
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: +15
Bottommost Latitude: -21
Leftmost Longitude: +043
Rightmost Longitude: +073
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: *MAG* ORIGINAL RECORDINGS LOST -NO MICROFILM.
Number of Data Records: 6445
Min/Max Data Record:
Date: 1972 05 03
Latitude: -20.02550
Longitude: +43.61330
Bathymetry, 2- Way Traveltime: 000300
Bathymetry, Corrected Depth: 22.0
Magnetics Total Field, 1st Sensor: 357350
Magnetics Residual Field: -09000
Min/Max Data Record:
Date: 1972 06 26
Latitude: +14.52000
Longitude: +72.56450
Bathymetry, 2- Way Traveltime: 070550
Bathymetry, Corrected Depth: 5338.0
Magnetics Total Field, 1st Sensor: 407450
Magnetics Residual Field: +03250