Survey Identifier: KK721104
Format Acronym: MGD77
Data Center File Number: 08010019
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19901115
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 KROENKE
Project: KK72110804. NAZCA PLATE PROJECT.
Funding: IDOE/ONR
Survey Departure Date (yyyymmdd): 19730221
Port of Departure: GUAYAQUIL,ECUADOR
Survey Arrival Date (yyyymmdd): 19730304
Port of Arrival: GUAYAQUIL,ECUADOR
Navigation Instrumentation: SATELLITE
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: +05
Bottommost Latitude: -03
Leftmost Longitude: -082
Rightmost Longitude: -077
General Digitizing Rate of Bathymetry: 061
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: B,M,G. REFLX (HIGH,LOW,MIX), REFRX, XBT 54-69,EXPLOSIVES. -81.66,-77.37,-2.79,4.25.
Number of Data Records: 5149
Min/Max Data Record:
Date: 1973 02 21
Latitude: -2.78732
Longitude: -81.65729
Bathymetry, 2- Way Traveltime: 000090
Bathymetry, Corrected Depth: 7.0
Magnetics Total Field, 1st Sensor: 319200
Magnetics Residual Field: -01520
Free-Air Anomaly: -1110
Min/Max Data Record:
Date: 1973 03 04
Latitude: +4.24780
Longitude: -77.36992
Bathymetry, 2- Way Traveltime: 064530
Bathymetry, Corrected Depth: 4854.0
Magnetics Total Field, 1st Sensor: 345910
Magnetics Residual Field: +05160
Free-Air Anomaly: +0730