Survey Identifier: GECS0EMV
Format Acronym: MGD77
Data Center File Number: 15020038
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): WEISS R.
Project: GEOSECS LEG E
Survey Departure Date (yyyymmdd): 19731204
Port of Departure: HONOLULU
Survey Arrival Date (yyyymmdd): 19731229
Port of Arrival: PAGO PAGO
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,DIGITAL MAG TAPE
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +20
Bottommost Latitude: -14
Leftmost Longitude: +178
Rightmost Longitude: -159
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
Additional Documentation: RE-PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, IN 1991 TO REMOVE TIME ERRORS.
Number of Data Records: 3934
Min/Max Data Record:
Date: 1973 12 05
Latitude: -13.82666
Longitude: -179.99865
Bathymetry, 2- Way Traveltime: 004827
Bathymetry, Corrected Depth: 369.0
Magnetics Total Field, 1st Sensor: 329550
Magnetics Residual Field: -10709
Min/Max Data Record:
Date: 1973 12 29
Latitude: +19.65333
Longitude: +179.99427
Bathymetry, 2- Way Traveltime: 043667
Bathymetry, Corrected Depth: 3263.0
Magnetics Total Field, 1st Sensor: 397620
Magnetics Residual Field: +06890