Survey Identifier: FDRK01MV


Format Acronym: MGD77
Data Center File Number: 15020029
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19791030
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): WITHEROW
Project: F.DRAKE LEG 1
Survey Departure Date (yyyymmdd): 19750120
Port of Departure: SAN DIEGO
Survey Arrival Date (yyyymmdd): 19750214
Port of Arrival: USHUAIA,ARG.
Navigation Instrumentation: SATNAV,AUTOLOG GYRO + EMLOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5KHZ/GIFFT RECORDER/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: -57
Leftmost Longitude: -118
Rightmost Longitude: -066
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: 7016

Min/Max Data Record:
Date: 1975 01 21
Latitude: -56.03850
Longitude: -117.09150
Bathymetry, 2- Way Traveltime: 004600
Bathymetry, Corrected Depth: 340.0
Magnetics Total Field, 1st Sensor: 295300
Magnetics Residual Field: -04160

Min/Max Data Record:
Date: 1975 02 14
Latitude: +32.12950
Longitude: -66.20330
Bathymetry, 2- Way Traveltime: 063250
Bathymetry, Corrected Depth: 4741.0
Magnetics Total Field, 1st Sensor: 415110
Magnetics Residual Field: +08430