Survey Identifier: 82031602
Format Acronym: MGD77
Data Center File Number: 08010085
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19840830
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): DR. TOM BROCHER/ R. HOLMES
Project: CCOP/SOPAC MELANESIAN BORDERLANDS KK82-03-16-02
Funding: CCOP/SOPAC
Survey Departure Date (yyyymmdd): 19820330
Port of Departure: PAGO PAGO AMERICAN SAMOA
Survey Arrival Date (yyyymmdd): 19820419
Port of Arrival: SUVA FIJI
Navigation Instrumentation: SATELLITE, A/SEXTANT
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ, 30 DEG. BEAM
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Magnetics Instrumentation: GEOMETRICS G 801-3
Additional Forms of Magnetics Data: ANALOG, MICROFILM
Gravity Instrumentation: LACOSTE-ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, MICROFILM
Seismic Instrumentation: 40, 80 CU IN AIRGUN
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: -09
Bottommost Latitude: -19
Leftmost Longitude: +174
Rightmost Longitude: -170
General Digitizing Rate of Bathymetry: 26
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: 10
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF-75
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: 3
Theoretical Gravity Formula: IAGSYSTEM1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 9789243
Departure Base Station Description: HONOLULU, PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU, PIER 45
Additional Documentation: 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 15 DATA SAMPLES: B,M,G,REFLX(HI/MIX/LOW), 12 KHZ, 40-ASPER, 4-PCOD, 15 4-TC, 14-RD, 4-FFC.
Number of Data Records: 29022
Min/Max Data Record:
Date: 1982 03 30
Latitude: -18.58162
Longitude: -179.99920
Bathymetry, 2- Way Traveltime: 000150
Bathymetry, Corrected Depth: 11.0
Magnetics Total Field, 1st Sensor: 378400
Magnetics Residual Field: -10680
Free-Air Anomaly: -1246
Min/Max Data Record:
Date: 1982 04 19
Latitude: -9.23118
Longitude: +179.99926
Bathymetry, 2- Way Traveltime: 064670
Bathymetry, Corrected Depth: 4868.0
Magnetics Total Field, 1st Sensor: 428190
Magnetics Residual Field: +08970
Free-Air Anomaly: +3170