Survey Identifier: AVO64JUL
Format Acronym: MGD77
Data Center File Number: 07050002
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 JULY 1964
Funding: ONR
Survey Departure Date (yyyymmdd): 19640709
Port of Departure: EUREKA, CALIFORNIA
Survey Arrival Date (yyyymmdd): 19640721
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: +43
Bottommost Latitude: +39
Leftmost Longitude: -133
Rightmost Longitude: -123
General Digitizing Rate of Bathymetry: 254
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: PEAKS, TROUGHS AND INFLECTIONS DIGITIZED
General Digitizing Rate of Gravity: 251
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: 443
Min/Max Data Record:
Date: 1964 07 09
Latitude: +39.24500
Longitude: -132.51300
Bathymetry, 2- Way Traveltime: 000750
Bathymetry, Corrected Depth: 56.0
Free-Air Anomaly: -0600
Min/Max Data Record:
Date: 1964 07 21
Latitude: +42.48700
Longitude: -123.92000
Bathymetry, 2- Way Traveltime: 062750
Bathymetry, Corrected Depth: 4707.0
Free-Air Anomaly: +0420