Survey Identifier: IG4301
Format Acronym: MGD77
Data Center File Number: 10020052
Parameters Surveyed Code: 51131
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): P. DONOHO
Project: GULF OF MEXICO OBS REFRACTION TEST
Funding: STATE OF TEXAS
Survey Departure Date (yyyymmdd): 19820217
Port of Departure: GALVESTON TEXAS USA
Survey Arrival Date (yyyymmdd): 19820220
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: LORAN, SATELLITE, DEAD RECKONING
Geodetic Datum/Position: SATELLITE, DEAD RECKONING
Bathymetry Instrumentation: 3.5 KHZ ECHOSOUNDER
Additional Forms of Bathymetric Data: ANALOG CHART RECORDS, 35MM MICROFILM
Topmost Latitude of Survey: +28
Bottommost Latitude: +27
Leftmost Longitude: -096
Rightmost Longitude: -094
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
Additional Documentation: MULTICHANNEL SEISMIC LINES ACQUIRED: NONE
Number of Data Records: 391
Min/Max Data Record:
Date: 1982 02 18
Latitude: +27.50500
Longitude: -95.89630
Bathymetry, Corrected Depth: 277.0
Min/Max Data Record:
Date: 1982 02 19
Latitude: +27.56370
Longitude: -94.53530
Bathymetry, Corrected Depth: 941.0