Survey Identifier: GOLFO-81


Format Acronym: MGD77
Data Center File Number: 07150003
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19810817
Source Institution: OREGON STATE UNIVERSITY
Country: UNITED STATES
Platform Name: H1 MARIANO MATAMOROS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): GORDON NESS, OSVALDO SANCHEZ
Project: GOLFO81 LEGS 1 & 2
Funding: OFFICE OF NAVAL RES.
Survey Departure Date (yyyymmdd): 19810314
Port of Departure: SAN DIEGO, CA., USA
Survey Arrival Date (yyyymmdd): 19810406
Port of Arrival: SAN DIEGO, CA., USA
Navigation Instrumentation: SAT/OMEGA/RADAR
Geodetic Datum/Position: PRIMARY - SATELLITE, SECONDARY - OMEGA
Bathymetry Instrumentation: EDO-WESTERN 12KHZ.
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: GEOMETRICS G801/3 PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: LACOSTE AND ROMBERG S-42
Additional Forms of Gravity Data: ANALOG RECORDS
Topmost Latitude of Survey: +32
Bottommost Latitude: +20
Leftmost Longitude: -117
Rightmost Longitude: -105
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 1463
Bathymetric Datum Code: 00
Interpolation Scheme: 0FIVE MINUTE INTERVALS WITH PEAKS AND TROUGHS
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 60
Magnetic Sensor Tow Distance: 200
Sensor Depth: 150
Reference Field Code: 8
Reference Field: 8IGRF80
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: SYSTEM IGSN 71
Corrections Applied: -0.125 MGAL/DAY DRIFT
Departure Base Station Gravity: 9795175
Departure Base Station Description: SAN DIEGO B STREET PIER
Arrival Base Station Gravity: 9795178
Arrival Base Station Description: SAN DIEGO B STREET PIER
Number of Data Records: 8544

Min/Max Data Record:
Date: 1981 03 14
Latitude: +20.83250
Longitude: -116.38400
Bathymetry, Corrected Depth: 8.0
Magnetics Total Field, 1st Sensor: 432050
Magnetics Residual Field: -05280
Observed Gravity: 9785087
Free-Air Anomaly: -1839

Min/Max Data Record:
Date: 1981 04 06
Latitude: +31.35640
Longitude: -105.80810
Bathymetry, Corrected Depth: 4411.0
Magnetics Total Field, 1st Sensor: 487880
Magnetics Residual Field: +06050
Observed Gravity: 9794050
Free-Air Anomaly: +0870