Survey Identifier: 80101002
Format Acronym: MGD77
Data Center File Number: 08010064
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19820419
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): ALEX MALAHOFF
Project: LOIHI SEAMOUNT,KK80-10-10-02
Funding: ONR/NOAA
Survey Departure Date (yyyymmdd): 19801018
Port of Departure: KAWAIHAE,HAWAII
Survey Arrival Date (yyyymmdd): 19801022
Port of Arrival: KAWAIHAE,HAWAII
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ,30 DEGREE BEAM
Additional Forms of Bathymetric Data: ANALOG
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
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +21
Bottommost Latitude: +18
Leftmost Longitude: -157
Rightmost Longitude: -155
General Digitizing Rate of Bathymetry: 58
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 5-MIN INTERVLS IF SMOOTH)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF-1975
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: 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: 3014
Min/Max Data Record:
Date: 1980 10 18
Latitude: +18.78172
Longitude: -176.05995
Bathymetry, 2- Way Traveltime: 000520
Bathymetry, Corrected Depth: 39.0
Magnetics Total Field, 1st Sensor: 339980
Magnetics Residual Field: -15100
Free-Air Anomaly: +0319
Min/Max Data Record:
Date: 1980 10 22
Latitude: +20.05630
Longitude: -154.07147
Bathymetry, 2- Way Traveltime: 055780
Bathymetry, Corrected Depth: 4183.0
Magnetics Total Field, 1st Sensor: 374530
Magnetics Residual Field: +19900
Free-Air Anomaly: +2428