Survey Identifier: GECS-IMV
Format Acronym: MGD77
Data Center File Number: 15020041
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19811013
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CRAIG H.
Project: GEOSECS LEG I
Survey Departure Date (yyyymmdd): 19740312
Port of Departure: WELLINGTON
Survey Arrival Date (yyyymmdd): 19740408
Port of Arrival: PAPEETE,TAH.
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: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: -20
Bottommost Latitude: -47
Leftmost Longitude: +176
Rightmost Longitude: -151
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: 7325
Min/Max Data Record:
Date: 1974 03 13
Latitude: -46.71640
Longitude: -179.99190
Bathymetry, 2- Way Traveltime: 008120
Bathymetry, Corrected Depth: 608.0
Magnetics Total Field, 1st Sensor: 430100
Magnetics Residual Field: -11370
Min/Max Data Record:
Date: 1974 04 07
Latitude: -20.15980
Longitude: +179.98900
Bathymetry, 2- Way Traveltime: 075650
Bathymetry, Corrected Depth: 5712.0
Magnetics Total Field, 1st Sensor: 565150
Magnetics Residual Field: +05900