Survey Identifier: PN81-3
Format Acronym: MGD77
Data Center File Number: 08050027
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; PN81-3
Funding: UNDP
Survey Departure Date (yyyymmdd): 19810326
Port of Departure: RABAUL, NEW BRITIAN
Survey Arrival Date (yyyymmdd): 19810330
Port of Arrival: HONIARA, GUADALCANAL
Navigation Instrumentation: (SEE ADD.DOC. 18)
Geodetic Datum/Position: 1-SATNAV 2-RADAR 3-SEXTANT
Bathymetry Instrumentation: RAYTHEON PTR 106C-1 7KHZ
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: -04
Bottommost Latitude: -10
Leftmost Longitude: +152
Rightmost Longitude: +160
General Digitizing Rate of Bathymetry: 56
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 THIS CRUISE WAS ONE OF THREE PLANNED TO HELP DEFINE HYDROCARBON, 05 POTENTIALS OF THE NEW IRELAND BASIN. SEISMIC REFLECTION DATA WERE, 05 RECORDED AT 4 & 8 SECONDS. SINCE ONLY TWO RECORDERS WERE AVAILABLE, 05 BATHY DATA WERE OBTAINED FROM SEISMIC PROFILES.
Number of Data Records: 1380
Min/Max Data Record:
Date: 1981 03 26
Latitude: -9.35750
Longitude: +152.20600
Bathymetry, 2- Way Traveltime: 001100
Bathymetry, Corrected Depth: 82.0
Min/Max Data Record:
Date: 1981 03 30
Latitude: -4.26167
Longitude: +159.97917
Bathymetry, 2- Way Traveltime: 079780
Bathymetry, Corrected Depth: 6044.0