Survey Identifier: IG1301


Format Acronym: MGD77
Data Center File Number: 10020003
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. WATKINS
Project: MC INVESTIGATIONS OF SEA FLOOR MINERALS GOM
Funding: IDOE
Survey Departure Date (yyyymmdd): 19740218
Port of Departure: GALVESTON TEXAS USA
Survey Arrival Date (yyyymmdd): 19740227
Port of Arrival: GALVESTON TEXAS USA
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: 24 CHANNEL 8000 FT ARRAY 4-1700CUIN AGUN
Formats of Seismic Data: MYLAR,PAPER,NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +21
Leftmost Longitude: -096
Rightmost Longitude: -092
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: 03
Reference Field: IGRF 65
Additional Documentation: MULTICHANNEL SEISMIC LINES ACQUIRED: WG-4
Number of Data Records: 2623

Min/Max Data Record:
Date: 1975 02 18
Latitude: +21.85980
Longitude: -95.49630
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 457800
Magnetics Residual Field: -03690

Min/Max Data Record:
Date: 1975 02 27
Latitude: +29.25240
Longitude: -92.30230
Bathymetry, Corrected Depth: 3751.0
Magnetics Total Field, 1st Sensor: 507060
Magnetics Residual Field: -00710