Survey Identifier: 83081201
Format Acronym: MGD77
Data Center File Number: 08010097
Parameters Surveyed Code: 51533
File Creation Date (yyyymmdd): 19850304
Source Institution: HIG AND PACIFIC GEOSCIENCE CENTER
Country: USA AND CANADA
Platform Name: R/V KANA KEOKI
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DON HUSSONG AND EARL DAVIS
Project: JUAN DE FUCA/SEAMARC II SURVEY, KK830812 LEG 01
Funding: GOVERNMENT OF CANADA
Survey Departure Date (yyyymmdd): 19830824
Port of Departure: SYDNEY, BRITISH COLUMBIA,CANADA
Survey Arrival Date (yyyymmdd): 19830913
Port of Arrival: SEATTLE,WASHINGTON USA
Navigation Instrumentation: SATELLITE,LORAN-C,OMEGA
Geodetic Datum/Position: PRI=LORAN-C SEC=SATELLITE
Bathymetry Instrumentation: 3.5 KHZ 30-DEGREE BEAM
Additional Forms of Bathymetric Data: ANALOG,DIGITAL,MICROFILM
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG,DIGITAL,MICROFILM
Seismic Instrumentation: 40,80,120 CU.IN.AIRGUN/80 CU.IN.WATERGUN
Formats of Seismic Data: ANALOG,MICROFILM,DIGITAL
Topmost Latitude of Survey: +52
Bottommost Latitude: +47
Leftmost Longitude: -132
Rightmost Longitude: -122
General Digitizing Rate of Bathymetry: 22
General Sampling Rate of Bathymetry: 1 PER SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 15-MIN INTERVAL IF SMOOTH)
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAGSYSTEM1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: NONE APPLIED.
Departure Base Station Gravity: 9789243
Departure Base Station Description: HONOLULU,HAWAII PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU,HAWAII PIER 45
Additional Documentation: 09 40,80,120,CU.IN.AIRGUN/80 CU.IN. WATERGUN, 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963
Number of Data Records: 36548
Min/Max Data Record:
Date: 1983 08 24
Latitude: +47.59686
Longitude: -131.26745
Bathymetry, 2- Way Traveltime: 000050
Bathymetry, Corrected Depth: 4.0
Free-Air Anomaly: -2328
Min/Max Data Record:
Date: 1983 09 13
Latitude: +51.82473
Longitude: -122.31088
Bathymetry, 2- Way Traveltime: 043490
Bathymetry, Corrected Depth: 3236.0
Free-Air Anomaly: +2071