Survey Identifier: GECS-GMV


Format Acronym: MGD77
Data Center File Number: 15020040
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19811104
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): EDMOND J.
Project: GEOSECS LEG G
Survey Departure Date (yyyymmdd): 19740205
Port of Departure: WELLINGTON
Survey Arrival Date (yyyymmdd): 19740306
Port of Arrival: WELLINGTON
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
Topmost Latitude of Survey: -43
Bottommost Latitude: -70
Leftmost Longitude: +169
Rightmost Longitude: -173
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.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 7962

Min/Max Data Record:
Date: 1974 02 05
Latitude: -69.13930
Longitude: -179.99650
Bathymetry, 2- Way Traveltime: 005452
Bathymetry, Corrected Depth: 396.0
Magnetics Total Field, 1st Sensor: 605400
Magnetics Residual Field: -06610

Min/Max Data Record:
Date: 1974 03 04
Latitude: -43.62500
Longitude: +179.99790
Bathymetry, 2- Way Traveltime: 073502
Bathymetry, Corrected Depth: 5522.0
Magnetics Total Field, 1st Sensor: 666030
Magnetics Residual Field: +06750