Survey Identifier: 84042803
Format Acronym: MGD77
Data Center File Number: 08010116
Parameters Surveyed Code: 51531
File Creation Date (yyyymmdd): 19860313
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): BRIAN TAYLOR
Project: KK84042803 BONIN ISLANDS SAMPLING
Funding: NSF
Survey Departure Date (yyyymmdd): 19840621
Port of Departure: YOKOHAMA, JAPAN
Survey Arrival Date (yyyymmdd): 19840629
Port of Arrival: YOKOHAMA, JAPAN
Navigation Instrumentation: LORAN C, SATELLITE
Geodetic Datum/Position: PRIM-LORAN C, SEC-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ, 30 DEG BEAM
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG
Seismic Instrumentation: NONE
Topmost Latitude of Survey: +36
Bottommost Latitude: +30
Leftmost Longitude: +139
Rightmost Longitude: +142
General Digitizing Rate of Bathymetry: 18
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: PICKED PEAKS AND TROUGHS OR 15 MIN INTERVALS (IF SMOOTH)
General Digitizing Rate of Gravity: 010
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
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: 17233
Min/Max Data Record:
Date: 1984 06 21
Latitude: +30.01653
Longitude: +139.40508
Bathymetry, 2- Way Traveltime: 000260
Bathymetry, Corrected Depth: 20.0
Free-Air Anomaly: -2439
Min/Max Data Record:
Date: 1984 06 29
Latitude: +35.27216
Longitude: +141.96733
Bathymetry, 2- Way Traveltime: 092610
Bathymetry, Corrected Depth: 7046.0
Free-Air Anomaly: +1944