Survey Identifier: YAQ66JL1


Format Acronym: MGD77
Data Center File Number: 07010008
Parameters Surveyed Code: 51511
File Creation Date (yyyymmdd): 19751002
Source Institution: OREGON STATE UNIVERSITY
Country: U.S.A.
Platform Name: YAQUINA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MICHAEL GEMPERLE
Project: CRUISE JULY1 1966
Funding: ONR
Survey Departure Date (yyyymmdd): 19660701
Port of Departure: ADAK, ALASKA
Survey Arrival Date (yyyymmdd): 19660703
Port of Arrival: ADAK, ALASKA
Navigation Instrumentation: LORAN A AND LORAN C
Geodetic Datum/Position: SMOOTHED LORAN A AND C
Bathymetry Instrumentation: 12 KHZ WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Gravity Instrumentation: LACOSTE AND ROMBERG S-9
Additional Forms of Gravity Data: ANALOG RECORDS
Topmost Latitude of Survey: +54
Bottommost Latitude: +50
Leftmost Longitude: -176
Rightmost Longitude: -171
General Digitizing Rate of Bathymetry: 179
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Gravity: 179
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT (1930)
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Departure Base Station Gravity: 9814420
Departure Base Station Description: ADAK, ALASKA
Number of Data Records: 107

Min/Max Data Record:
Date: 1966 07 01
Latitude: +50.73300
Longitude: -175.41700
Bathymetry, 2- Way Traveltime: 000625
Bathymetry, Corrected Depth: 47.0
Free-Air Anomaly: -2020

Min/Max Data Record:
Date: 1966 07 03
Latitude: +53.38500
Longitude: -171.53700
Bathymetry, 2- Way Traveltime: 096250
Bathymetry, Corrected Depth: 7310.0
Free-Air Anomaly: +2350