Survey Identifier: KK720702


Format Acronym: MGD77
Data Center File Number: 08010012
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19901114
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): MOBERLY (L-01)/ CAMPBELL (L-02)
Project: MIDWAY CRUISE, KK72-07-02,LEGS 01, 02 (HNL-MIDWAY-HNL).
Funding: NSF
Survey Departure Date (yyyymmdd): 19720702
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19720806
Port of Arrival: HONOLULU, HAWAII
Navigation Instrumentation: SATELLITE,LORAN
Geodetic Datum/Position: PRIM=SATELLITE
Bathymetry Instrumentation: 3.5 KHZ 30 DEGREE BEAM, 1 SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG, DIGITAL, MICROFILM
Magnetics Instrumentation: VARIAN PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG, DIGITAL, MICROFILM
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, DIGITAL, MICROFILM
Seismic Instrumentation: AIRGUN, SPARKER
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: +31
Bottommost Latitude: +21
Leftmost Longitude: +178
Rightmost Longitude: -157
General Digitizing Rate of Bathymetry: 059
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE(PICKED PEAKS/TROUGHS OR 15 MIN INTERVALS 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-1965
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM
Corrections Applied: NONE APPLIED
Departure Base Station Description: HONOLULU PIER 18
Arrival Base Station Description: HONOLULU PIER 18
Additional Documentation: DATA TAKEN ON BOARD: LEG 01:B,M,G, REFLX (HIGH, LOW, MIX), REFRX, ASPER 1-19. LEG 02: B,M,G, REFLX(MIX,LOW), RD, PC. 178.90,-157.88,21.22,30.63. 621 BAD SPEEDS, POOR NAVIGATION
Number of Data Records: 16480

Min/Max Data Record:
Date: 1972 07 02
Latitude: +21.21850
Longitude: -180.00000
Bathymetry, 2- Way Traveltime: 000090
Bathymetry, Corrected Depth: 7.0
Magnetics Total Field, 1st Sensor: 350330
Magnetics Residual Field: -11800
Free-Air Anomaly: -0890

Min/Max Data Record:
Date: 1972 08 06
Latitude: +30.63160
Longitude: +179.99930
Bathymetry, 2- Way Traveltime: 074230
Bathymetry, Corrected Depth: 5604.0
Magnetics Total Field, 1st Sensor: 384210
Magnetics Residual Field: +14190
Free-Air Anomaly: +3190