Survey Identifier: YAQ67APR
Format Acronym: MGD77
Data Center File Number: 07010010
Parameters Surveyed Code: 55511
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 APRIL 1967
Funding: ONR
Survey Departure Date (yyyymmdd): 19670415
Port of Departure: NEWPORT, OREGON
Survey Arrival Date (yyyymmdd): 19670429
Port of Arrival: NEWPORT, OREGON
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
Magnetics Instrumentation: OSU PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: LACOSTE-ROMBERG AIR-SEA S-9
Additional Forms of Gravity Data: ANALOG RECORDS
Topmost Latitude of Survey: +53
Bottommost Latitude: +40
Leftmost Longitude: -133
Rightmost Longitude: -124
General Digitizing Rate of Bathymetry: 040
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 040
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 152
Sensor Depth: 30
Reference Field Code: 03
Reference Field: IGRF-65
General Digitizing Rate of Gravity: 040
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: 9806107
Departure Base Station Description: (SEE ADD. DOC. /18-19)
Additional Documentation: 15 NEWPORT MARINE SCIENCE CENTER, BERG AND THIRUVATHUKAL, J.G.R., 70, 15 3325-3330, 1965
Number of Data Records: 1504
Min/Max Data Record:
Date: 1967 04 15
Latitude: +40.88000
Longitude: -132.63300
Bathymetry, 2- Way Traveltime: 000525
Bathymetry, Corrected Depth: 39.0
Magnetics Total Field, 1st Sensor: 513050
Magnetics Residual Field: -08370
Free-Air Anomaly: -0970
Min/Max Data Record:
Date: 1967 04 29
Latitude: +52.47200
Longitude: -124.13700
Bathymetry, 2- Way Traveltime: 051250
Bathymetry, Corrected Depth: 3828.0
Magnetics Total Field, 1st Sensor: 574650
Magnetics Residual Field: +09560
Free-Air Anomaly: +0600