Survey Identifier: 78070800
Format Acronym: MGD77
Data Center File Number: 08010065
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19820608
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): MARK ODEGARD
Project: NEPAC LONG LINE REFRACTION. KK78-07-08-00.
Funding: NSF.
Survey Departure Date (yyyymmdd): 19780708
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19780728
Port of Arrival: HONOLULU, HAWAII
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ. 30 DEGREE BEAM.
Additional Forms of Bathymetric Data: ANALOG.
Magnetics Instrumentation: PROTON PRECESSION MAG-GEOMETRICS G 801-3
Additional Forms of Magnetics Data: ANALOG
Gravity Instrumentation: LACOSTE-ROMBERG S-33
Additional Forms of Gravity Data: ANALOG
Seismic Instrumentation: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +30
Bottommost Latitude: +11
Leftmost Longitude: -159
Rightmost Longitude: -144
General Digitizing Rate of Bathymetry: 31
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 5 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: 030
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: 9789392
Departure Base Station Description: HONOLULU PIER 45
Arrival Base Station Gravity: 9789392
Arrival Base Station Description: HONOLULU PIER 45
Additional Documentation: 09 120 AND 300 CU IN AIRGUN,4500J SPKR,OBS. REFLX (HIGH 70-350, 09 LOW 15-70,MIX 50-70/70-350,MED 40-200,VARIABLE). REFRX/DIGITAL, 09 OBS 91-106,ASPER 1-2,XBT 1-11,STONLEY STONES. 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 15 7182.4
Number of Data Records: 31593
Min/Max Data Record:
Date: 1978 07 08
Latitude: +11.82177
Longitude: -158.03698
Bathymetry, 2- Way Traveltime: 000400
Bathymetry, Corrected Depth: 30.0
Magnetics Total Field, 1st Sensor: 358080
Magnetics Residual Field: -08270
Free-Air Anomaly: -1432
Min/Max Data Record:
Date: 1978 07 28
Latitude: +29.84174
Longitude: -144.31817
Bathymetry, 2- Way Traveltime: 084400
Bathymetry, Corrected Depth: 6398.0
Magnetics Total Field, 1st Sensor: 389840
Magnetics Residual Field: +05560
Free-Air Anomaly: +2327