Survey Identifier: FD774DMV


Format Acronym: MGD77
Data Center File Number: 15020061
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): CODISPOTI L.,PACKARD T.
Project: FDRAKE77 LEG 4D <NSF OCE76-01309>
Survey Departure Date (yyyymmdd): 19770505
Port of Departure: CALLAO,PERU
Survey Arrival Date (yyyymmdd): 19770527
Port of Arrival: BALBOA,PANAMA
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: -18
Leftmost Longitude: -084
Rightmost Longitude: -075
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: 6862

Min/Max Data Record:
Date: 1977 05 04
Latitude: -17.25540
Longitude: -83.10260
Bathymetry, 2- Way Traveltime: 002125
Bathymetry, Corrected Depth: 159.0
Magnetics Total Field, 1st Sensor: 265600
Magnetics Residual Field: -03670

Min/Max Data Record:
Date: 1977 05 27
Latitude: +8.95260
Longitude: -75.40120
Bathymetry, 2- Way Traveltime: 083575
Bathymetry, Corrected Depth: 6333.0
Magnetics Total Field, 1st Sensor: 360640
Magnetics Residual Field: +19240