Survey Identifier: MARSUR78


Format Acronym: MGD77
Data Center File Number: 07150002
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 1982 924
Source Institution: OREGON STATE UNIVERSITY
Country: MEXICO
Platform Name: MATAMOROS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NESS G
Project: ECONOMEC ZONE MAPPINGIN PACIFIC
Funding: ONR & MEXICO
Survey Departure Date (yyyymmdd): 19780621
Port of Departure: SAN DIEGO, CALIFORNIA
Survey Arrival Date (yyyymmdd): 19780725
Port of Arrival: SAN DIEGO, CALIFORNIA
Navigation Instrumentation: SATELLITE AND OMEGA
Geodetic Datum/Position: SATELLITE DEAD RECKONING
Bathymetry Instrumentation: 12KHZ TO EPC RECORDER ANALOG
Magnetics Instrumentation: GEOMETRICS G80113 PROTON PRECESSION
Gravity Instrumentation: LACOSTE AND ROMBERG AIR-SEA S-42
Topmost Latitude of Survey: +32
Bottommost Latitude: +15
Leftmost Longitude: -117
Rightmost Longitude: -100
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1-SEC-SWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPORLATION
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 0215
Sensor Depth: 00030
Reference Field Code: 04
Reference Field: IGRF -75
Method of Applying Residual Field: LINEAR INTERP BETWEEN NAV POINTS
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: TAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN-71
Corrections Applied: NOT AVAILABLE
Departure Base Station Gravity: 9795177
Departure Base Station Description: SAN DIEGO BST PIER
Arrival Base Station Gravity: 9795177
Arrival Base Station Description: SAN DIEGO BST PIER
Additional Documentation: 15 OSU BASE STATION, B ST PIER, TIED TO WA453, WOLLARD AND ROSE 1963, 15 PG94 MINUS 14.5MGAL=979519.1 TO REFLECT US COMM PEER G=980104.3
Number of Data Records: 12318

Min/Max Data Record:
Date: 1978 06 21
Latitude: +15.02640
Longitude: -116.87830
Bathymetry, 2- Way Traveltime: 000050
Bathymetry, Corrected Depth: 4.0
Magnetics Total Field, 1st Sensor: 402120
Magnetics Residual Field: -04580
Free-Air Anomaly: -1787

Min/Max Data Record:
Date: 1978 07 25
Latitude: +31.31330
Longitude: -100.28870
Bathymetry, 2- Way Traveltime: 074100
Bathymetry, Corrected Depth: 5593.0
Magnetics Total Field, 1st Sensor: 483480
Magnetics Residual Field: +09900
Free-Air Anomaly: +0790