Survey Identifier: FD7703MV


Format Acronym: MGD77
Data Center File Number: 15020059
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): SEIFERT E.
Project: FDRAKE77 LEG 3 <NSF OCE76-00131>
Survey Departure Date (yyyymmdd): 19770216
Port of Departure: PUNTA ARENAS,CHILE
Survey Arrival Date (yyyymmdd): 19770228
Port of Arrival: SAN MARTIN,PERU
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,35MMFILM
Topmost Latitude of Survey: -13
Bottommost Latitude: -54
Leftmost Longitude: -077
Rightmost Longitude: -070
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: 3381

Min/Max Data Record:
Date: 1977 02 16
Latitude: -53.91570
Longitude: -76.43060
Bathymetry, 2- Way Traveltime: 001000
Bathymetry, Corrected Depth: 75.0
Magnetics Total Field, 1st Sensor: 261350
Magnetics Residual Field: -03100

Min/Max Data Record:
Date: 1977 02 28
Latitude: -13.77910
Longitude: -70.82560
Bathymetry, 2- Way Traveltime: 075000
Bathymetry, Corrected Depth: 5659.0
Magnetics Total Field, 1st Sensor: 294960
Magnetics Residual Field: +05580