Survey Identifier: YAQ704
Format Acronym: MGD77
Data Center File Number: 07010025
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19730207
Source Institution: OREGON STATE UNIVERSITY
Country: U.S.A.
Platform Name: YAQUINA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DRS. D. F. HEINRICHS, L. D. KULM
Project: YAQUINA LONG OCEAN CRUISE 1970 LEG 4
Funding: ONR, NSF
Survey Departure Date (yyyymmdd): 19700915
Port of Departure: SEWARD, ALASKA
Survey Arrival Date (yyyymmdd): 19701007
Port of Arrival: KETCHIKAN, 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
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: +60
Bottommost Latitude: +50
Leftmost Longitude: -150
Rightmost Longitude: -130
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 2 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: 9819352
Departure Base Station Description: UNKNOWN
Additional Documentation: 14 U.S. COMMERCE BLDG PIER G=980118.8
Number of Data Records: 6823
Min/Max Data Record:
Date: 1970 09 15
Latitude: +50.15700
Longitude: -149.39000
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 533350
Magnetics Residual Field: -05030
Free-Air Anomaly: -0792
Min/Max Data Record:
Date: 1970 10 07
Latitude: +59.98300
Longitude: -130.94300
Bathymetry, 2- Way Traveltime: 053950
Bathymetry, Corrected Depth: 4023.0
Magnetics Total Field, 1st Sensor: 583920
Magnetics Residual Field: +14880
Free-Air Anomaly: +1169