Survey Identifier: 75072600
Format Acronym: MGD77
Data Center File Number: 08010032
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830210
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): WIPPERMAN
Project: HESS RISE KK75-07-26-00
Funding: ONR
Survey Departure Date (yyyymmdd): 19750726
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19750830
Port of Arrival: HONOLULU, HAWAII
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ 30 DEG BEAM
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG, MICROFILM
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, MICROFILM
Seismic Instrumentation: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: +39
Bottommost Latitude: +21
Leftmost Longitude: +160
Rightmost Longitude: -157
General Digitizing Rate of Bathymetry: 67
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 15-MIN INTERVLS IF SMOOTH)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Horizontal Sensor Separation: 000
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 0000000
Departure Base Station Description: HONOLULU, HAWAII PIER 18
Arrival Base Station Gravity: 0000000
Arrival Base Station Description: HONOLULU, HAWAII PIER 18
Additional Documentation: 09 300 AND 715 CU IN AIRGUN, SPARKER, B, M, G, REFLX (LOW, MIX), ASPER 1-48, 09 XBT 1-63, FFC, FFTG, PCOD. 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: 11715
Min/Max Data Record:
Date: 1975 07 26
Latitude: +21.23910
Longitude: -179.99938
Bathymetry, 2- Way Traveltime: 000210
Bathymetry, Corrected Depth: 16.0
Magnetics Total Field, 1st Sensor: 346510
Magnetics Residual Field: -11450
Free-Air Anomaly: -1050
Min/Max Data Record:
Date: 1975 08 30
Latitude: +38.63500
Longitude: +179.99652
Bathymetry, 2- Way Traveltime: 085010
Bathymetry, Corrected Depth: 6446.0
Magnetics Total Field, 1st Sensor: 409200
Magnetics Residual Field: +10350
Free-Air Anomaly: +2500