Survey Identifier: 81062604
Format Acronym: MGD77
Data Center File Number: 08010061
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19820329
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): FRED K. DUENNEBIER, TOM SHIPLEY
Project: IPOD MESOZOIC PACIFIC SITE SURVEYS KK810626 LEG 4
Funding: JOI
Survey Departure Date (yyyymmdd): 19810919
Port of Departure: AGANA,GUAM,AMER. TRUST TERRITORY
Survey Arrival Date (yyyymmdd): 19811025
Port of Arrival: MAJURO,MARSHALL ISLANDS
Navigation Instrumentation: SAT/LORAN-C/OMEGA/DOPPLER SPEED
Geodetic Datum/Position: PRIM-SATELLITE, SEC-LORAN-C
Bathymetry Instrumentation: 3.5 KHZ, 1SEC RATE,4SEC RATE,30 DEG BEAM
Additional Forms of Bathymetric Data: ANALOG,MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAG-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: 80IN WATER GUNS,AIR GUNS,SPARKER,BUOYS
Formats of Seismic Data: ANALOG,DIGITAL
Topmost Latitude of Survey: +24
Bottommost Latitude: +07
Leftmost Longitude: +144
Rightmost Longitude: +174
General Digitizing Rate of Bathymetry: 24
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS AND TROUGHS OR 5 MINUTE INTERVALS.)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF 1975
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
Number of Data Records: 58060
Min/Max Data Record:
Date: 1981 09 19
Latitude: +7.10584
Longitude: +144.57635
Bathymetry, 2- Way Traveltime: 006780
Bathymetry, Corrected Depth: 513.0
Magnetics Total Field, 1st Sensor: 322850
Magnetics Residual Field: -15960
Free-Air Anomaly: -2474
Min/Max Data Record:
Date: 1981 10 25
Latitude: +23.24397
Longitude: +173.63782
Bathymetry, 2- Way Traveltime: 120470
Bathymetry, Corrected Depth: 9278.0
Magnetics Total Field, 1st Sensor: 363520
Magnetics Residual Field: +10180
Free-Air Anomaly: +2275