Survey Identifier: IG1904
Format Acronym: MGD77
Data Center File Number: 10020011
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: ENVIRONMENTAL INVESTIGATIONS OF A REGION FOR ACOUSTICS-GOM
Funding: ONR
Survey Departure Date (yyyymmdd): 19760630
Port of Departure: PANAMA CITY FLA USA
Survey Arrival Date (yyyymmdd): 19760708
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: SATELLITE,LORAN A
Geodetic Datum/Position: SATELLITE, DEAD RECKONING,LORAN A
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 CHAN,12 FOLD,8000FT ARRAY,3-1700CIGUN
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +31
Bottommost Latitude: +26
Leftmost Longitude: -095
Rightmost Longitude: -085
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: MS-1, CORE DESCRIPTIONS
Number of Data Records: 2322
Min/Max Data Record:
Date: 1976 06 30
Latitude: +26.96210
Longitude: -94.25480
Bathymetry, Corrected Depth: 28.0
Magnetics Total Field, 1st Sensor: 493010
Magnetics Residual Field: -05450
Min/Max Data Record:
Date: 1976 07 08
Latitude: +30.08480
Longitude: -85.76350
Bathymetry, Corrected Depth: 2990.0
Magnetics Total Field, 1st Sensor: 516590
Magnetics Residual Field: +00200