Survey Identifier: PN81-1
Format Acronym: MGD77
Data Center File Number: 08050025
Parameters Surveyed Code: 51133
File Creation Date (yyyymmdd): 19851216
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): DONALD TIFFIN
Project: CCOP/SOPAC RAS 79/074; PN81-1
Funding: UNDP
Survey Departure Date (yyyymmdd): 19810219
Port of Departure: HONIARA, GUADALCANAL
Survey Arrival Date (yyyymmdd): 19810303
Port of Arrival: RABAUL, NEW BRITIAN
Navigation Instrumentation: (SEE ADD.DOC. 18)
Geodetic Datum/Position: 1-SATNAV 2-RADAR 3-SEXTANT
Bathymetry Instrumentation: RAYTHEON PTR 106C-1 7 KHZ
Additional Forms of Bathymetric Data: DATA PICKED FROM SEISMIC RECORDS
Seismic Instrumentation: 40 & 80 CU INCH AIRGUNS
Formats of Seismic Data: ANALOG RECORDS, MICROFILM
Topmost Latitude of Survey: -01
Bottommost Latitude: -10
Leftmost Longitude: +150
Rightmost Longitude: +160
General Digitizing Rate of Bathymetry: 32
General Sampling Rate of Bathymetry: 1 PER SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE/PICKED PEAKS & TROUGHS + 15MIN INTERVALS IF SMOOTH
Additional Documentation: 05 MAGNAVOX 1102A; RADAR X, 05 OBJECTIVE: TO STUDY HYDROCARBON POTENTIALS; DUE TO TOO FEW RECORDERS, 05 BATHY WAS PICKED FROM SEISMIC DATA.
Number of Data Records: 5509
Min/Max Data Record:
Date: 1981 02 19
Latitude: -9.16200
Longitude: +150.59017
Bathymetry, 2- Way Traveltime: 000280
Bathymetry, Corrected Depth: 21.0
Min/Max Data Record:
Date: 1981 03 03
Latitude: -1.82900
Longitude: +159.80050
Bathymetry, 2- Way Traveltime: 059180
Bathymetry, Corrected Depth: 4447.0