Survey Identifier: DSDP29GC
Format Acronym: MGD77
Data Center File Number: 15050027
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): HOUTZ R.E.,KENNET J.P.
Project: DEEPSEA DRILL. 29 <NSF>
Survey Departure Date (yyyymmdd): 19730302
Port of Departure: LYTTLETOWN,NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19730417
Port of Arrival: WELLINGTON,NEW ZEALAND
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: -40
Bottommost Latitude: -57
Leftmost Longitude: +143
Rightmost Longitude: +177
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
Number of Data Records: 6077
Min/Max Data Record:
Date: 1973 03 02
Latitude: -56.55660
Longitude: +143.41330
Bathymetry, 2- Way Traveltime: 001174
Bathymetry, Corrected Depth: 88.0
Magnetics Total Field, 1st Sensor: 574100
Magnetics Residual Field: -06350
Min/Max Data Record:
Date: 1973 04 17
Latitude: -40.38020
Longitude: +176.80820
Bathymetry, 2- Way Traveltime: 067924
Bathymetry, Corrected Depth: 5092.0
Magnetics Total Field, 1st Sensor: 658500
Magnetics Residual Field: +11700