Survey Identifier: IG1504
Format Acronym: MGD77
Data Center File Number: 10020027
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19880609
Source Institution: UT INSTITUTE FOR GEOPHYSICS
Country: U.S.A.
Platform Name: R/V IDA GREEN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J.L. WORZEL
Project: GEOPHYS. INVES. IN VICINITY OF ST. VINCENT AND BARBADOS
Funding: GENREAL CRUDE CO.
Survey Departure Date (yyyymmdd): 19750704
Port of Departure: ARUBA
Survey Arrival Date (yyyymmdd): 19750721
Port of Arrival: BARBADOS
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE, DEAD RECKONING
Bathymetry Instrumentation: 3.5 KHZ ECHOSOUNDER
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG CHART RECORD, 35MM MICROFILM
Seismic Instrumentation: DFS 10000
Formats of Seismic Data: MYLAR, PAPER,NEGATIVE
Topmost Latitude of Survey: +14
Bottommost Latitude: +11
Leftmost Longitude: -070
Rightmost Longitude: -059
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1,1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 050
Magnetic Sensor Tow Distance: 250.
Reference Field Code: 04
Reference Field: IGRF 75
Additional Documentation: MULTICHANNEL SEISMIC LINES ACQUIRED: GC-1 THRU 5
Number of Data Records: 4657
Min/Max Data Record:
Date: 1975 07 04
Latitude: +11.64810
Longitude: -69.93560
Bathymetry, Corrected Depth: 16.0
Magnetics Total Field, 1st Sensor: 367000
Magnetics Residual Field: -09520
Min/Max Data Record:
Date: 1975 07 21
Latitude: +13.77690
Longitude: -59.12370
Bathymetry, Corrected Depth: 5040.0
Magnetics Total Field, 1st Sensor: 391700
Magnetics Residual Field: +07040