Survey Identifier: MARSUR77


Format Acronym: MGD77
Data Center File Number: 07150001
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): GEMPERLE M
Project: ECONOMEC ZONE MAPPING IN PACIFIC
Funding: ONR + MEXICE
Survey Departure Date (yyyymmdd): 19770926
Port of Departure: SAN DIEGO, CALIFORNIA
Survey Arrival Date (yyyymmdd): 19771025
Port of Arrival: SAN DIEGO, CALIFORNIA
Navigation Instrumentation: SATELLITE AND OMEGA
Geodetic Datum/Position: SATELLITE DEAD RECKONING
Bathymetry Instrumentation: 12KHZ TO EPC RECORDER ANALOG
Additional Forms of Bathymetric Data: DIGITIZED
Magnetics Instrumentation: GEOMETRICS G80113 PROTON PRECESSION
Additional Forms of Magnetics Data: DIGITIZED
Gravity Instrumentation: LACOSTE & ROMBURG GRAVIMETER S42
Additional Forms of Gravity Data: DIGITIZED
Topmost Latitude of Survey: +33
Bottommost Latitude: +12
Leftmost Longitude: -119
Rightmost Longitude: -092
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 INTERPOLATION
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
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG 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 SEE ADD.DDC
Arrival Base Station Gravity: 9795177
Arrival Base Station Description: SAN DIEGO BST PIER
Additional Documentation: 15 OSU BASE STATION, BST PIER, TIED TO WA453, WOLLARD AND ROSE 1963, 15 PG94 MINUS 14.5MGAL=979519.1 TO REFLECT US COMM PIER G=980104.3
Number of Data Records: 12398

Min/Max Data Record:
Date: 1977 09 26
Latitude: +12.95880
Longitude: -118.08500
Bathymetry, 2- Way Traveltime: 000050
Bathymetry, Corrected Depth: 4.0
Magnetics Total Field, 1st Sensor: 393540
Magnetics Residual Field: -05640
Free-Air Anomaly: -1620

Min/Max Data Record:
Date: 1977 10 25
Latitude: +32.20170
Longitude: -92.54470
Bathymetry, 2- Way Traveltime: 086350
Bathymetry, Corrected Depth: 6551.0
Magnetics Total Field, 1st Sensor: 485540
Magnetics Residual Field: +13580
Free-Air Anomaly: +1053