Survey Identifier: FD7701MV
Format Acronym: MGD77
Data Center File Number: 15020057
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19800703
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MAMMERICKX J.
Project: FDRAKE77 LEG 1
Survey Departure Date (yyyymmdd): 19761215
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19770101
Port of Arrival: VALPARAISO,CHILE
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/GIFFT RECORDERS/WIDE 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: +33
Bottommost Latitude: -33
Leftmost Longitude: -118
Rightmost Longitude: -071
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: 6569
Min/Max Data Record:
Date: 1976 12 15
Latitude: -32.87970
Longitude: -117.37220
Bathymetry, 2- Way Traveltime: 009925
Bathymetry, Corrected Depth: 741.0
Magnetics Total Field, 1st Sensor: 263470
Magnetics Residual Field: -02440
Min/Max Data Record:
Date: 1977 01 06
Latitude: +32.69150
Longitude: -71.83390
Bathymetry, 2- Way Traveltime: 080550
Bathymetry, Corrected Depth: 6091.0
Magnetics Total Field, 1st Sensor: 458360
Magnetics Residual Field: +06320