Survey Identifier: IG2903
Format Acronym: MGD77
Data Center File Number: 10020017
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/J. LADD
Project: MULTICHANNEL INVESTIGATION SW OF COSTA RICA,TRANS FROM MAT
Funding: IPOD/ICAITI
Survey Departure Date (yyyymmdd): 19780703
Port of Departure: ACAPULCO MEXICO
Survey Arrival Date (yyyymmdd): 19780719
Port of Arrival: PANAMA CITY PANAMA
Navigation Instrumentation: SATELLITE, DEAD RECKONING, OMEGA
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 RECORDS, 35MM MICROFILM
Seismic Instrumentation: 24CHAN-2545M ARRAY,SPARKER,3-4 1500CI AG
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +17
Bottommost Latitude: +07
Leftmost Longitude: -100
Rightmost Longitude: -079
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: NCY-1 THRU 8
Number of Data Records: 6079
Min/Max Data Record:
Date: 1978 07 01
Latitude: +7.02670
Longitude: -99.91870
Bathymetry, Corrected Depth: 28.0
Magnetics Total Field, 1st Sensor: 357540
Magnetics Residual Field: -06160
Min/Max Data Record:
Date: 1978 07 21
Latitude: +16.84970
Longitude: -79.45500
Bathymetry, Corrected Depth: 6797.0
Magnetics Total Field, 1st Sensor: 415020
Magnetics Residual Field: +06510