Survey Identifier: FD7706MV
Format Acronym: MGD77
Data Center File Number: 15020062
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): SPIESS F.,MACDONALD K.
Project: FDRAKE77 LEG 6 <NSF OCE76-22040>
Survey Departure Date (yyyymmdd): 19770530
Port of Departure: BALBOA,PANAMA
Survey Arrival Date (yyyymmdd): 19770629
Port of Arrival: ACAPULCO,MEXICO
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: +24
Bottommost Latitude: +06
Leftmost Longitude: -110
Rightmost Longitude: -079
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: 8592
Min/Max Data Record:
Date: 1977 05 31
Latitude: +6.94090
Longitude: -109.38000
Bathymetry, 2- Way Traveltime: 000550
Bathymetry, Corrected Depth: 41.0
Magnetics Total Field, 1st Sensor: 396700
Magnetics Residual Field: -05080
Min/Max Data Record:
Date: 1977 06 29
Latitude: +23.21800
Longitude: -79.50940
Bathymetry, 2- Way Traveltime: 074150
Bathymetry, Corrected Depth: 5597.0
Magnetics Total Field, 1st Sensor: 453730
Magnetics Residual Field: +08050