Survey Identifier: FD7707MV
Format Acronym: MGD77
Data Center File Number: 15020063
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): MACDONALD K.
Project: FDRAKE77 LEG 7 <NSF OCE76-22040>
Survey Departure Date (yyyymmdd): 19770630
Port of Departure: ACAPULCO,MEXICO
Survey Arrival Date (yyyymmdd): 19770709
Port of Arrival: SAN DIEGO,CALIFORNIA
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: +33
Bottommost Latitude: +16
Leftmost Longitude: -119
Rightmost Longitude: -099
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: 2715
Min/Max Data Record:
Date: 1977 06 30
Latitude: +16.42590
Longitude: -118.61850
Bathymetry, 2- Way Traveltime: 010850
Bathymetry, Corrected Depth: 812.0
Magnetics Total Field, 1st Sensor: 412940
Magnetics Residual Field: -04570
Min/Max Data Record:
Date: 1977 07 09
Latitude: +32.44520
Longitude: -99.89220
Bathymetry, 2- Way Traveltime: 066500
Bathymetry, Corrected Depth: 5007.0
Magnetics Total Field, 1st Sensor: 489260
Magnetics Residual Field: +18350