Survey Identifier: IG1503


Format Acronym: MGD77
Data Center File Number: 10020026
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): T. SHIPLEY/J. LADD
Project: COMP. OF IPOD NO. 1/MC INVES. OF S. FLOOR MIN. MID.AMERICA
Funding: NSF/IDOE
Survey Departure Date (yyyymmdd): 19750611
Port of Departure: BERMUDA USA
Survey Arrival Date (yyyymmdd): 19750701
Port of Arrival: ARUBA
Navigation Instrumentation: SATELLITE, LORAN C
Geodetic Datum/Position: SATELLITE, DEAD RECKONING, LORAN C
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: DFS 10000 24 CHANNELS
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +33
Bottommost Latitude: +13
Leftmost Longitude: -071
Rightmost Longitude: -060
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: KFZ-A,B (RENAMED TO BA); VB-1 THRU 8
Number of Data Records: 5237

Min/Max Data Record:
Date: 1975 06 11
Latitude: +12.99180
Longitude: -70.44320
Bathymetry, Corrected Depth: 64.0
Magnetics Total Field, 1st Sensor: 387670
Magnetics Residual Field: -50660

Min/Max Data Record:
Date: 1975 07 01
Latitude: +32.17850
Longitude: -60.60600
Bathymetry, Corrected Depth: 8608.0
Magnetics Total Field, 1st Sensor: 502370
Magnetics Residual Field: +03160