Survey Identifier: WS78-2


Format Acronym: MGD77
Data Center File Number: 08050016
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19821022
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): A. JOHN HALUNEN
Project: CCOP/SOPAC-UN/RAS/72/122 PROJECT, CRUISE WS-78-2.
Funding: UNDP
Survey Departure Date (yyyymmdd): 19781212
Port of Departure: APIA,WESTERN SAMOA
Survey Arrival Date (yyyymmdd): 19781222
Port of Arrival: SUVA,FIJI
Navigation Instrumentation: SATNAV MAGNAVOX 1112,RADAR,SEXTANT
Geodetic Datum/Position: 1-SATNAV,2-RADAR,3-SEXTANT
Bathymetry Instrumentation: (SEE ADD.DOC. 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS,MICROFILM.
Topmost Latitude of Survey: -12
Bottommost Latitude: -19
Leftmost Longitude: +178
Rightmost Longitude: -171
General Digitizing Rate of Bathymetry: 101
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 7 KHZ, 36 DEGREE BEAM WIDTH, 01SEC/SWEEP. BATHYMETRY IN THE, 06 NORTHWEST OF SAVAII ISLAND (WESTERN SAMOA) INCLUDING DEEP SEA, 06 AND SHOALS SURVEYS, ACCOMPANYING A SAMPLING PROGRAMME IN SEARCH, 06 OF PHOSPHORITES AND PRECIOUS CORALS, AND INCLUDING A TRANSIT, 06 WESTERN SAMOA-FIJI.
Number of Data Records: 765

Min/Max Data Record:
Date: 1978 12 12
Latitude: -18.47033
Longitude: -179.95259
Bathymetry, 2- Way Traveltime: 000790
Bathymetry, Corrected Depth: 59.0

Min/Max Data Record:
Date: 1978 12 22
Latitude: -12.29300
Longitude: +179.96700
Bathymetry, 2- Way Traveltime: 033570
Bathymetry, Corrected Depth: 2508.0