Survey Identifier: GECS-DMV
Format Acronym: MGD77
Data Center File Number: 15020037
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): SPENCER D.
Project: GEOSECS LEG D
Survey Departure Date (yyyymmdd): 19731031
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 19731129
Port of Arrival: HONOLULU
Navigation Instrumentation: CELESTIAL AND LORAN
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: +35
Bottommost Latitude: +12
Leftmost Longitude: +139
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
Number of Data Records: 8371
Min/Max Data Record:
Date: 1973 10 31
Latitude: +12.49140
Longitude: -179.99390
Bathymetry, 2- Way Traveltime: 000750
Bathymetry, Corrected Depth: 56.0
Magnetics Total Field, 1st Sensor: 321850
Magnetics Residual Field: -12520
Min/Max Data Record:
Date: 1973 11 29
Latitude: +34.86810
Longitude: +179.99470
Bathymetry, 2- Way Traveltime: 099074
Bathymetry, Corrected Depth: 7559.0
Magnetics Total Field, 1st Sensor: 450460
Magnetics Residual Field: +04570