Survey Identifier: YAQ703
Format Acronym: MGD77
Data Center File Number: 07010024
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19730206
Source Institution: OREGON STATE UNIVERSITY
Country: U.S.A.
Platform Name: YAQUINA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DRS. R. COUCH, G. GRIGGS (UCSB)
Project: YAQUINA LONG OCEAN CRUISE 1970 LEG 3
Funding: ONR, NSF
Survey Departure Date (yyyymmdd): 19700828
Port of Departure: JUNEAU, ALASKA
Survey Arrival Date (yyyymmdd): 19700913
Port of Arrival: SEWARD, ALASKA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE, DEAD RECKONING
Bathymetry Instrumentation: 12 KHZ WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: GEOMETRICS G801/3 PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: LACOSTE AND ROMBERG AIR-SEA S-9
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: PAIR OF 20 OR A 40 CU. IN. AIRGUN
Formats of Seismic Data: SINGLE CHANNEL ANALOG, MICROFILM
Topmost Latitude of Survey: +61
Bottommost Latitude: +55
Leftmost Longitude: -150
Rightmost Longitude: -133
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1 SEC SWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 152
Sensor Depth: 30
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAVIGATION POINTS
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT. 1930
Reference System: SEE ADD DOC / 18
Corrections Applied: NONE
Departure Base Station Gravity: 9817680
Departure Base Station Description: WA363 (SEE ADD DOC / 19)
Additional Documentation: 14 U.S. COMMERCE PIER G=980118.8, 15 WA363 WOOLLARD AND ROSE 1963 PG. 88
Number of Data Records: 5739
Min/Max Data Record:
Date: 1970 08 28
Latitude: +55.92500
Longitude: -149.40700
Bathymetry, 2- Way Traveltime: 000150
Bathymetry, Corrected Depth: 11.0
Magnetics Total Field, 1st Sensor: 553510
Magnetics Residual Field: -08420
Free-Air Anomaly: -0915
Min/Max Data Record:
Date: 1970 09 13
Latitude: +60.09200
Longitude: -133.50500
Bathymetry, 2- Way Traveltime: 062250
Bathymetry, Corrected Depth: 4663.0
Magnetics Total Field, 1st Sensor: 597890
Magnetics Residual Field: +27380
Free-Air Anomaly: +1238