Survey Identifier: YAQ68MAR


Format Acronym: MGD77
Data Center File Number: 07010016
Parameters Surveyed Code: 55111
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): DR.DONALD HEINRICHS
Project: CRUISE MARCH 1968
Funding: ONR
Survey Departure Date (yyyymmdd): 19680324
Port of Departure: NEWPORT, OREGON
Survey Arrival Date (yyyymmdd): 19680328
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
Topmost Latitude of Survey: +42
Bottommost Latitude: +41
Leftmost Longitude: -128
Rightmost Longitude: -127
General Digitizing Rate of Bathymetry: 040
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: PEAKS, TROUGHS AND INFLECTIONS DIGITIZED
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
Number of Data Records: 444

Min/Max Data Record:
Date: 1968 03 24
Latitude: +41.60700
Longitude: -127.67700
Bathymetry, 2- Way Traveltime: 020500
Bathymetry, Corrected Depth: 1519.0
Magnetics Total Field, 1st Sensor: 519050
Magnetics Residual Field: -05450

Min/Max Data Record:
Date: 1968 03 28
Latitude: +41.98700
Longitude: -127.04000
Bathymetry, 2- Way Traveltime: 049250
Bathymetry, Corrected Depth: 3677.0
Magnetics Total Field, 1st Sensor: 531250
Magnetics Residual Field: +06320