Survey Identifier: YAQ68SP2


Format Acronym: MGD77
Data Center File Number: 07010018
Parameters Surveyed Code: 05513
File Creation Date (yyyymmdd): 19730212
Source Institution: OREGON STATE UNIVERSITY
Country: U.S.A.
Platform Name: YAQUINA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR. R. COUCH
Project: ALASKA 1968 LEG NEWPORT TO SITKA
Funding: O.N.R.
Survey Departure Date (yyyymmdd): 19680907
Port of Departure: NEWPORT, OREGON
Survey Arrival Date (yyyymmdd): 19680912
Port of Arrival: SITKA, ALASKA
Navigation Instrumentation: LORAN A /LORAN C
Geodetic Datum/Position: STARFIXES / LORAN A
Bathymetry Instrumentation: 12 KHZ WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: OSU 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: 10 AND 20 CU. IN AIRGUN
Formats of Seismic Data: SINGLE CHANNEL ANALOG, MICROFILM
Topmost Latitude of Survey: +49
Bottommost Latitude: +47
Leftmost Longitude: -125
Rightmost Longitude: -122
General Digitizing Rate of Bathymetry: 050
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
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
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAVIGATION POINTS
General Digitizing Rate of Gravity: 040
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
Additional Documentation: 14 U.S. COMMERCE BLDG PIER G=980118.8, 15 NEWPORT MARINE SCIENCE CENTER, BERG AND THIRUVATHUKAL, J.G.R., 70, 15 3325-3330, 1965
Number of Data Records: 1493

Min/Max Data Record:
Date: 1968 09 07
Latitude: +47.96300
Longitude: -124.75800
Magnetics Total Field, 1st Sensor: 561000
Magnetics Residual Field: -06130
Free-Air Anomaly: -0890

Min/Max Data Record:
Date: 1968 09 12
Latitude: +48.94200
Longitude: -122.61500
Magnetics Total Field, 1st Sensor: 577750
Magnetics Residual Field: +13910
Free-Air Anomaly: +0510