Survey Identifier: 82081300
Format Acronym: MGD77
Data Center File Number: 08010088
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19860307
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): TOM BROCHER
Project: HAWAIIAN RIDGE FLEXURE KK82081300
Funding: NSF
Survey Departure Date (yyyymmdd): 19820813
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19820830
Port of Arrival: HONOLULU, HAWAII
Navigation Instrumentation: SATELLITE, LORAN C
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ, 30 DEG 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: 466,1000 CU IN AIRGUN, EXPLOSIVES
Formats of Seismic Data: ANALOG, MICROFILM, DIGITAL
Topmost Latitude of Survey: +25
Bottommost Latitude: +19
Leftmost Longitude: -160
Rightmost Longitude: -157
General Digitizing Rate of Bathymetry: 43
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: PICKED PEAKS AND TROUGHS OR 15 MIN INTERVALS (IF SMOOTH)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
Reference Field Code: 04
Reference Field: IGRF-75
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 010
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
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: 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: 27121
Min/Max Data Record:
Date: 1982 08 13
Latitude: +19.24418
Longitude: -159.42410
Bathymetry, 2- Way Traveltime: 000900
Bathymetry, Corrected Depth: 68.0
Magnetics Total Field, 1st Sensor: 349220
Magnetics Residual Field: -08320
Free-Air Anomaly: -0977
Min/Max Data Record:
Date: 1982 08 30
Latitude: +24.16785
Longitude: -157.03068
Bathymetry, 2- Way Traveltime: 065490
Bathymetry, Corrected Depth: 4928.0
Magnetics Total Field, 1st Sensor: 368860
Magnetics Residual Field: +06250
Free-Air Anomaly: +2359