Survey Identifier: FD7702MV
Format Acronym: MGD77
Data Center File Number: 15020058
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): NOWLIN W.
Project: FDRAKE77 LEG 2 <NSF OCE74-14941-A02>
Survey Departure Date (yyyymmdd): 19770110
Port of Departure: VALPARAISO,CHILE
Survey Arrival Date (yyyymmdd): 19770212
Port of Arrival: PUNTA ARENAS,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: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Topmost Latitude of Survey: -33
Bottommost Latitude: -63
Leftmost Longitude: -077
Rightmost Longitude: -060
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: 8907
Min/Max Data Record:
Date: 1977 01 10
Latitude: -62.47180
Longitude: -76.41680
Bathymetry, 2- Way Traveltime: 000675
Bathymetry, Corrected Depth: 51.0
Magnetics Total Field, 1st Sensor: 264370
Magnetics Residual Field: -01180
Min/Max Data Record:
Date: 1977 02 11
Latitude: -33.30900
Longitude: -60.28620
Bathymetry, 2- Way Traveltime: 066275
Bathymetry, Corrected Depth: 4945.0
Magnetics Total Field, 1st Sensor: 396310
Magnetics Residual Field: +10620