Survey Identifier: 80012101
Format Acronym: MGD77
Data Center File Number: 08010049
Parameters Surveyed Code: 55353
File Creation Date (yyyymmdd): 19801229
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): DALE ERLANDSON
Project: BATHY DATA COLLECTION/TRANSIT TO DOWNHOLE II KK800121-01
Funding: D.M.A./O.N.R.
Survey Departure Date (yyyymmdd): 19800121
Port of Departure: HONOLULU, HAWAII, U.S.A.
Survey Arrival Date (yyyymmdd): 19800213
Port of Arrival: SAN JOSE, GUATEMALA
Navigation Instrumentation: SATELLITE, OMEGA, SEXTANT
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: 3.5KHZ, 30 DEG BEAM, 1SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: GEOMETRICS G801 PROTON PRECESSION MAG
Additional Forms of Magnetics Data: ANALOG RECORDS, MICROFILM, DATA LOGGER
Gravity Instrumentation: LACOSTE-ROMBERG STABLE TABLE S-33
Additional Forms of Gravity Data: ANALOG RECORDS, MICROFILM, DATA LOGGER
Seismic Instrumentation: (SEE ADD. DOCU. NO. 21)
Formats of Seismic Data: ANALOG RECORDS, MICROFILM
Topmost Latitude of Survey: +22
Bottommost Latitude: -03
Leftmost Longitude: -158
Rightmost Longitude: -090
General Digitizing Rate of Bathymetry: 13
General Sampling Rate of Bathymetry: 1 PER SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPOLATION
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 05
Magnetic Sensor Tow Distance: 0180
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: CALCULATED FOR EACH POINT
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Additional Documentation: 15, 09 5SEC REP RATE, 30-250HZ, 40+120CUIN AIRGUNS, 4000J SPARKER, EEL, 12 DIGITIZED WITH SHIP DIGITIZER AT 5MIN INTERVALS+PEAKS+TROUGHS
Number of Data Records: 55580
Min/Max Data Record:
Date: 1980 01 21
Latitude: -2.08118
Longitude: -157.88522
Bathymetry, 2- Way Traveltime: 000090
Bathymetry, Corrected Depth: 7.0
Magnetics Total Field, 1st Sensor: 321270
Magnetics Residual Field: -09110
Min/Max Data Record:
Date: 1980 02 13
Latitude: +21.31815
Longitude: -90.81198
Bathymetry, 2- Way Traveltime: 085730
Bathymetry, Corrected Depth: 6503.0
Magnetics Total Field, 1st Sensor: 403580
Magnetics Residual Field: +10760