Survey Identifier: 78080700
Format Acronym: MGD77
Data Center File Number: 08010043
Parameters Surveyed Code: 55553
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): DOUGLAS P. KLEIN/JEAN H. FILLOUX
Project: ELECTROMAGNETIC,MAGNETOTELLURIC STUDIES KK78080700
Funding: N.S.F.
Survey Departure Date (yyyymmdd): 19780807
Port of Departure: HONOLULU, HAWAII, U.S.A.
Survey Arrival Date (yyyymmdd): 19780816
Port of Arrival: HONOLULU, HAWAII, U.S.A.
Navigation Instrumentation: SATELLITE, SEXTANT
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: 3.5KHZ, 1SEC SWEEP, 30DEG BEAM
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: 7-11AUG ONLY 15-500HZ, SPARKER, EEL
Formats of Seismic Data: ANALOG RECORDS, MICROFILM
Topmost Latitude of Survey: +22
Bottommost Latitude: +16
Leftmost Longitude: -159
Rightmost Longitude: -150
General Digitizing Rate of Bathymetry: 39
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 AT EACH POINT
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAGSYSTEM1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: NONE
Additional Documentation: 15 14.7MGAL SUBTRACTED FROM VALUES IN G.P.WOOLLARD & J.C.ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 15 DEPARTURE STILL METER READING 7184.4 7JULY78/TIE VALUE AT PIER 45 978924.3, 12 DIGITIZED WITH SHIP DIGITIZER AT HIG/5MIN INTERVALS+PEAKS+TROUGHS
Number of Data Records: 12871
Min/Max Data Record:
Date: 1978 08 07
Latitude: +16.49654
Longitude: -158.02743
Bathymetry, 2- Way Traveltime: 000560
Bathymetry, Corrected Depth: 42.0
Magnetics Total Field, 1st Sensor: 339510
Magnetics Residual Field: -12580
Free-Air Anomaly: -0851
Min/Max Data Record:
Date: 1978 08 16
Latitude: +21.29737
Longitude: -150.61928
Bathymetry, 2- Way Traveltime: 073760
Bathymetry, Corrected Depth: 5567.0
Magnetics Total Field, 1st Sensor: 365530
Magnetics Residual Field: +09310
Free-Air Anomaly: +2513