Survey Identifier: IG0701


Format Acronym: MGD77
Data Center File Number: 10020023
Parameters Surveyed Code: 55131
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): WORZEL/SHIPLEY
Project: BATHYMETRY AND MAGNETICS TESTS
Funding: STATE OF TEXAS
Survey Departure Date (yyyymmdd): 19740520
Port of Departure: GALVESTON TEXAS USA
Survey Arrival Date (yyyymmdd): 19740530
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE, DEAD RECKONING
Bathymetry Instrumentation: 12 & 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
Topmost Latitude of Survey: +30
Bottommost Latitude: +21
Leftmost Longitude: -097
Rightmost Longitude: -088
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: NONE
Number of Data Records: 2924

Min/Max Data Record:
Date: 1974 05 21
Latitude: +21.91110
Longitude: -96.62300
Bathymetry, Corrected Depth: 190.0
Magnetics Total Field, 1st Sensor: 456380
Magnetics Residual Field: -07620

Min/Max Data Record:
Date: 1974 05 30
Latitude: +29.13800
Longitude: -88.19830
Bathymetry, Corrected Depth: 3762.0
Magnetics Total Field, 1st Sensor: 504950
Magnetics Residual Field: +02700