Survey Identifier: FD774BMV
Format Acronym: MGD77
Data Center File Number: 15020060
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): HUYER A.,SMITH R.
Project: FDRAKE77 LEG 4B <NSF OCE76-00131>
Survey Departure Date (yyyymmdd): 19770312
Port of Departure: CALLAO,PERU
Survey Arrival Date (yyyymmdd): 19770330
Port of Arrival: CALLAO,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
Topmost Latitude of Survey: -09
Bottommost Latitude: -17
Leftmost Longitude: -079
Rightmost Longitude: -074
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: 5200
Min/Max Data Record:
Date: 1977 03 12
Latitude: -16.17470
Longitude: -78.42130
Bathymetry, 2- Way Traveltime: 000525
Bathymetry, Corrected Depth: 39.0
Magnetics Total Field, 1st Sensor: 264330
Magnetics Residual Field: -02240
Min/Max Data Record:
Date: 1977 03 30
Latitude: -9.95570
Longitude: -74.87560
Bathymetry, 2- Way Traveltime: 073250
Bathymetry, Corrected Depth: 5528.0
Magnetics Total Field, 1st Sensor: 277080
Magnetics Residual Field: +03530