Survey Identifier: IG1506
Format Acronym: MGD77
Data Center File Number: 10020029
Parameters Surveyed Code: 50133
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. WATKINS
Project: CDP SEIS. REFLEC. INVES. OF GEO. STRU. OF SUB-B+BASE.C.SEA
Funding: NSF
Survey Departure Date (yyyymmdd): 19750823
Port of Departure: ANTIGUA
Survey Arrival Date (yyyymmdd): 19750907
Port of Arrival: ST. THOMAS VIRGIN ISLANDS
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 3 MAGNETIC AIR GUNS
Formats of Seismic Data: MYLAR, PAPER,NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +11
Leftmost Longitude: -095
Rightmost Longitude: -065
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: C6-1 THRU 3; CB-1(OR C6-4); YB-1(OR C6-5)
Number of Data Records: 3638
Min/Max Data Record:
Date: 1975 08 23
Latitude: +11.03930
Longitude: -94.58550
Bathymetry, Corrected Depth: 20.0
Min/Max Data Record:
Date: 1975 09 07
Latitude: +29.12660
Longitude: -65.02760
Bathymetry, Corrected Depth: 5820.0