Survey Identifier: CK77-1
Format Acronym: MGD77
Data Center File Number: 08080003
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19820922
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V ACHERON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): JIM V. EADE
Project: CCOP/SOPAC-UN/RAS/72/122. CRUISE CK-77-1.
Funding: UNDP
Survey Departure Date (yyyymmdd): 19770820
Port of Departure: RAROTONGA, COOK ISLANDS
Survey Arrival Date (yyyymmdd): 19770905
Port of Arrival: RAROTONGA, COOK ISLANDS
Navigation Instrumentation: 48-MILE RANGE RADAR/SEXTANT
Geodetic Datum/Position: 1-WHEN POSSIBLE, RADAR /2-SEXTANT
Bathymetry Instrumentation: (SEE ADD.DOC. 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM.
Topmost Latitude of Survey: -18
Bottommost Latitude: -22
Leftmost Longitude: -160
Rightmost Longitude: -156
General Digitizing Rate of Bathymetry: 131
General Sampling Rate of Bathymetry: 01SEC/SWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 15MIN-INTERVALS IF SMOOTH)
Additional Documentation: 06 RAYTHEON PTR106C,07KHZ,01 SEC/SWEEP. BATHYMETRY IN THE SOUTHERN COOK, 06 ISLANDS AREA DURING TRANSITS BETWEEN SAMPLING STATIONS IN SEARCH OF, 06 MANGANESE NODULES OR ENCRUSTING DEPOSITIONS AND OF PRECIOUS CORALS.
Number of Data Records: 1721
Min/Max Data Record:
Date: 1977 08 20
Latitude: -21.17500
Longitude: -159.90333
Bathymetry, 2- Way Traveltime: 000900
Bathymetry, Corrected Depth: 68.0
Min/Max Data Record:
Date: 1977 09 05
Latitude: -18.74500
Longitude: -156.51667
Bathymetry, 2- Way Traveltime: 071990
Bathymetry, Corrected Depth: 5432.0