Survey Identifier: 81062603
Format Acronym: MGD77
Data Center File Number: 08010081
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19851101
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): DONALD M. HUSSONG
Project: SEATAR KK81-06-26-03.
Funding: NSF
Survey Departure Date (yyyymmdd): 19810827
Port of Departure: TRUK, AMERICAN TRUST TERRITORIES
Survey Arrival Date (yyyymmdd): 19810915
Port of Arrival: GUAM, AMERICAN TRUST TERRITORI
Navigation Instrumentation: SATELLITE, LORAN-C, A/SEXTANT.
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: +21
Bottommost Latitude: +07
Leftmost Longitude: +144
Rightmost Longitude: +155
General Digitizing Rate of Bathymetry: 20
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: 030
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 PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU PIER 45
Additional Documentation: 09 40 AND 80 CU.IN. AIRGUN, SPARKER. DATA TAKEN ON BOARD:, 09 B,M,G,REFLX (HIGH, LOW, MIX), 38-RD. 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: 29685
Min/Max Data Record:
Date: 1981 08 27
Latitude: +7.44678
Longitude: +144.57200
Bathymetry, 2- Way Traveltime: 000130
Bathymetry, Corrected Depth: 10.0
Magnetics Total Field, 1st Sensor: 343850
Magnetics Residual Field: -10030
Free-Air Anomaly: -2743
Min/Max Data Record:
Date: 1981 09 15
Latitude: +20.60007
Longitude: +154.33742
Bathymetry, 2- Way Traveltime: 121090
Bathymetry, Corrected Depth: 9329.0
Magnetics Total Field, 1st Sensor: 373870
Magnetics Residual Field: +04940
Free-Air Anomaly: +2869