Survey Identifier: TTN012
Format Acronym: MGD77
Data Center File Number: 20010019
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19930322
Source Institution: University of Washington
Country: USA
Platform Name: R/V T.G. Thompson
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Mike Bacon
Project: JGOFS eqpac leg4
Funding: NSF
Survey Departure Date (yyyymmdd): 19920923
Port of Departure: Papeete, Tahiti
Survey Arrival Date (yyyymmdd): 19921026
Port of Arrival: Papeete, Tahiti
Navigation Instrumentation: mx1107 gps, trimble gps
Geodetic Datum/Position: WGS84
Bathymetry Instrumentation: 3.5 kHz, 90deg beam, 8 sec sweep
Additional Forms of Bathymetric Data: analog recorder
Topmost Latitude of Survey: +01
Bottommost Latitude: -18
Leftmost Longitude: -150
Rightmost Longitude: -139
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1/second
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: cubic spline interpolation
Number of Data Records: 11973
Min/Max Data Record:
Date: 1992 09 25
Latitude: -17.18696
Longitude: -149.37050
Bathymetry, 2- Way Traveltime: 000023
Bathymetry, Corrected Depth: 2.0
Min/Max Data Record:
Date: 1992 10 26
Latitude: +0.12314
Longitude: -139.76806
Bathymetry, 2- Way Traveltime: 071227
Bathymetry, Corrected Depth: 5373.0