Survey Identifier: 81062605
Format Acronym: MGD77
Data Center File Number: 08010083
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19841120
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): LOREN W. KROENKE
Project: WESTERN PACIFIC SEAMOUNTS KK81-06-26-05
Funding: ONR
Survey Departure Date (yyyymmdd): 19811027
Port of Departure: MAJURO AMERICAN TRUST TERRITORIE
Survey Arrival Date (yyyymmdd): 19811122
Port of Arrival: HONOLULU, HAWAII
Navigation Instrumentation: SATELLITE, SAT OMEGA, A/SEXTANT
Geodetic Datum/Position: PRIM-SATELLITE, SEC-SAT OMEGA
Bathymetry Instrumentation: 3.5 KHZ 30 DEGREE BEAM
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Magnetics Instrumentation: 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: +22
Bottommost Latitude: +07
Leftmost Longitude: +169
Rightmost Longitude: -157
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 15MIN 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, 4500J SPKR. 8RD,1-PCOD,2-ASPER, 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: 45975
Min/Max Data Record:
Date: 1981 10 27
Latitude: +7.10098
Longitude: -179.99859
Bathymetry, 2- Way Traveltime: 000180
Bathymetry, Corrected Depth: 13.0
Magnetics Total Field, 1st Sensor: 322160
Magnetics Residual Field: -11830
Free-Air Anomaly: -1302
Min/Max Data Record:
Date: 1981 11 22
Latitude: +21.31881
Longitude: +179.99966
Bathymetry, 2- Way Traveltime: 076170
Bathymetry, Corrected Depth: 5755.0
Magnetics Total Field, 1st Sensor: 363410
Magnetics Residual Field: +05370
Free-Air Anomaly: +2341