Survey Identifier: WSTG80-1
Format Acronym: MGD77
Data Center File Number: 08050009
Parameters Surveyed Code: 51113
File Creation Date (yyyymmdd): 19820331
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/79/074,WS-80-1, TG-80-1
Funding: UNDP
Survey Departure Date (yyyymmdd): 19800107
Port of Departure: APIA,WESTERN SAMOA
Survey Arrival Date (yyyymmdd): 19800204
Port of Arrival: APIA,WESTERN SAMOA
Navigation Instrumentation: SATNAV MAGNAVOX 1102A/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, MICROFILM
Seismic Instrumentation: 40 CUBIC INCH AIRGUN,EPC 4100,1-CHANNEL
Formats of Seismic Data: ANALOG RECORDS, MICROFILM
Topmost Latitude of Survey: -13
Bottommost Latitude: -22
Leftmost Longitude: -178
Rightmost Longitude: -170
General Digitizing Rate of Bathymetry: 80
General Sampling Rate of Bathymetry: 01 SEC/SWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 15-MIN INTERVLS IF SMOOTH)
Additional Documentation: 06 RAYTHEON PTR-106C-1,07KHZ,01SEC/SWEEP. BATHYMETRY AROUND UPOLU AND, 06 SAVAII ISLANDS (WESTERN SAMOA) WITH SAMPLING PROGRAM FOR OCCURRENCE, 06 OF PRECIOUS CORALS. BATHYMETRY OFF TONGA ISLANDS ACCOMPANYING, 06 SEISMIC REFLECTION PROFILING AND SAMPLING ON THE NORTHERN HALF OF, 06 THE TONGA ISLAND ARC.
Number of Data Records: 5621
Min/Max Data Record:
Date: 1980 01 07
Latitude: -21.30650
Longitude: -177.05117
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Min/Max Data Record:
Date: 1980 02 04
Latitude: -13.33150
Longitude: -170.65417
Bathymetry, 2- Way Traveltime: 098930
Bathymetry, Corrected Depth: 7543.0