Survey Identifier: 83011604
Format Acronym: MGD77
Data Center File Number: 08010089
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19851030
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V KANA KEOKI
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DON HUSSONG
Project: SEAMARC II SURVEY NORTH WEST PACIFIC. KK83-01-16-04.
Funding: ONR
Survey Departure Date (yyyymmdd): 19830421
Port of Departure: AGANA, GUAM
Survey Arrival Date (yyyymmdd): 19830516
Port of Arrival: YOKOHAMA, JAPAN
Navigation Instrumentation: SATELLITE, LORAN-C, SAT OMEGA
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ, 30-DEGREE BEAM
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAG GEOMETRICS G 801-3
Additional Forms of Magnetics Data: ANALOG
Gravity Instrumentation: LACOSTE-ROMBERG S-33
Additional Forms of Gravity Data: ANALOG
Seismic Instrumentation: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: +36
Bottommost Latitude: +13
Leftmost Longitude: +139
Rightmost Longitude: +149
General Digitizing Rate of Bathymetry: 25
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS,TROUGHS. 15-MIN.INTERVALS IF SMOOTH.)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF-75
Method of Applying Residual Field: FOR EACH DATA VALUE.
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 10
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, PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU, PIER 45
Additional Documentation: 09 80-, 120-CU.IN. AIR GUN. ADDITIONAL DATA AND SAMPLES:, 09 6-RD(021-026); B,M,G,SEAMARC II. 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: 36055
Min/Max Data Record:
Date: 1983 04 21
Latitude: +13.45735
Longitude: +139.49757
Bathymetry, 2- Way Traveltime: 000320
Bathymetry, Corrected Depth: 24.0
Magnetics Total Field, 1st Sensor: 361900
Magnetics Residual Field: -05990
Free-Air Anomaly: -1831
Min/Max Data Record:
Date: 1983 05 16
Latitude: +35.43976
Longitude: +148.10516
Bathymetry, 2- Way Traveltime: 112770
Bathymetry, Corrected Depth: 8655.0
Magnetics Total Field, 1st Sensor: 455950
Magnetics Residual Field: +16370
Free-Air Anomaly: +1771