Survey Identifier: GECS-BMV
Format Acronym: MGD77
Data Center File Number: 15020035
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19811013
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BROEKER W.
Project: GEOSECS LEG B
Survey Departure Date (yyyymmdd): 19730916
Port of Departure: HONOLULU
Survey Arrival Date (yyyymmdd): 19731006
Port of Arrival: ADAK,ALASKA
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)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: +51
Bottommost Latitude: +21
Leftmost Longitude: -178
Rightmost Longitude: -157
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: 5369
Min/Max Data Record:
Date: 1973 09 16
Latitude: +21.63330
Longitude: -177.45320
Bathymetry, 2- Way Traveltime: 024000
Bathymetry, Corrected Depth: 1785.0
Magnetics Total Field, 1st Sensor: 358500
Magnetics Residual Field: -07200
Min/Max Data Record:
Date: 1973 10 05
Latitude: +50.45460
Longitude: -157.72000
Bathymetry, 2- Way Traveltime: 096174
Bathymetry, Corrected Depth: 7304.0
Magnetics Total Field, 1st Sensor: 474780
Magnetics Residual Field: +04970