Survey Identifier: A118L41

Format Acronym: MGD77
Data Center File Number: 17080017
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19900315
Country: USA
Platform Name: R/V ATLANTIS II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): PAUL JOHNSON
Project: A118L41
Funding: ONR
Survey Departure Date (yyyymmdd): 19881006
Port of Departure: ASTORIA, OREGON
Survey Arrival Date (yyyymmdd): 19881016
Port of Arrival: ASTORIA, OREGON
Navigation Instrumentation: LORAN-C, GPS, TRANSIT SATELLITE
Geodetic Datum/Position: PRIM-GPS
Bathymetry Instrumentation: SEA BEAM vertical beam
Additional Forms of Bathymetric Data: ANALOG
Topmost Latitude of Survey: +49
Bottommost Latitude: +46
Leftmost Longitude: -131
Rightmost Longitude: -124
General Digitizing Rate of Bathymetry: 013
General Sampling Rate of Bathymetry: VAR-W-DEPTH
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE AVERAGES
Additional Documentation: Alvin dives
Number of Data Records: 9905

Min/Max Data Record:
Date: 1988 10 06
Latitude: +46.41432
Longitude: -130.83953
Bathymetry, 2- Way Traveltime: 019307
Bathymetry, Corrected Depth: 1426.0

Min/Max Data Record:
Date: 1988 10 16
Latitude: +48.44625
Longitude: -124.98487
Bathymetry, 2- Way Traveltime: 039133
Bathymetry, Corrected Depth: 2906.0