Survey Identifier: CK782
Format Acronym: MGD77
Data Center File Number: 08050010
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19820427
Source Institution: HAWAII INST. GEOPHYSICS FOR CCOPSOPAC
Country: U.S.A.
Platform Name: R/V MACHIAS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): JIM V. EADE
Project: CCOP/SOPAC-UN/RAS/79/074,CK-78-2
Funding: UNDP
Survey Departure Date (yyyymmdd): 19781127
Port of Departure: RAROTONGA,COOK ISLANDS
Survey Arrival Date (yyyymmdd): 19781209
Port of Arrival: APIA,WESTERN SAMOA
Navigation Instrumentation: SATNAV MAGNAVOX 1102/RADAR/SEXTANT
Geodetic Datum/Position: 1-SATNAV/2-NEAR LAND,RADAR/3-SEXTANT
Bathymetry Instrumentation: (SEE ADD.DOC. 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS,MICROFILMS.
Topmost Latitude of Survey: -12
Bottommost Latitude: -21
Leftmost Longitude: -172
Rightmost Longitude: -156
General Digitizing Rate of Bathymetry: 90
General Sampling Rate of Bathymetry: 01 SEC/SWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE(PICKED PEAKS/TROUGHS AND 15-MIN INTERVLS IF SMOOTH)
Additional Documentation: 06 RAYTHEON PTR106C,07KHZ,01SEC/SWEEP. DEEP-SEA BATHYMETRY IN NORTHERN, 06 COOK ISLANDS DURING TRANSITS BETWEEN SAMPLING STATIONS FOR OCCURRENCE, 06 OF MANGANESE NODULES, PHOSPHORITES AND PRECIOUS CORALS.
Number of Data Records: 2180
Min/Max Data Record:
Date: 1978 11 27
Latitude: -20.90350
Longitude: -171.60867
Bathymetry, 2- Way Traveltime: 000110
Bathymetry, Corrected Depth: 8.0
Min/Max Data Record:
Date: 1978 12 09
Latitude: -12.01867
Longitude: -156.99817
Bathymetry, 2- Way Traveltime: 074870
Bathymetry, Corrected Depth: 5655.0