Survey Identifier: AVO64MAY
Format Acronym: MGD77
Data Center File Number: 07050001
Parameters Surveyed Code: 51511
File Creation Date (yyyymmdd): 19751002
Source Institution: OREGON STATE UNIVERSITY
Country: U.S.A.
Platform Name: AVOYEL
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR. PETER DEHLINGER
Project: CRUISE MAY 1964
Funding: ONR
Survey Departure Date (yyyymmdd): 19640514
Port of Departure: EUREKA, CALIFORNIA
Survey Arrival Date (yyyymmdd): 19640524
Port of Arrival: EUREKA, CALIFORNIA
Navigation Instrumentation: LORAN A
Geodetic Datum/Position: SMOOTHED LORAN A
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: +42
Bottommost Latitude: +39
Leftmost Longitude: -131
Rightmost Longitude: -124
General Digitizing Rate of Bathymetry: 186
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: PEAKS, TROUGHS AND INFLECTIONS DIGITIZED
General Digitizing Rate of Gravity: 186
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: 9802104
Departure Base Station Description: EUREKA, CALIFORNIA
Number of Data Records: 437
Min/Max Data Record:
Date: 1964 05 14
Latitude: +39.62200
Longitude: -130.43800
Bathymetry, 2- Way Traveltime: 000500
Bathymetry, Corrected Depth: 38.0
Free-Air Anomaly: -0840
Min/Max Data Record:
Date: 1964 05 24
Latitude: +41.80200
Longitude: -124.25800
Bathymetry, 2- Way Traveltime: 063250
Bathymetry, Corrected Depth: 4746.0
Free-Air Anomaly: +0770