Survey Identifier: A118L12

Format Acronym: MGD77
Data Center File Number: 17080011
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19900315
Country: USA
Platform Name: R/V ATLANTIS II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): KEN SMITH/C. DEMOUSTIER
Project: A118L12
Funding: NSF
Survey Departure Date (yyyymmdd): 19870228
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19870323
Port of Arrival: AGANA, GUAM
Navigation Instrumentation: GPS, TRANSIT SATELLITE
Geodetic Datum/Position: PRIM-GPS
Bathymetry Instrumentation: SEA BEAM vertical beam
Additional Forms of Bathymetric Data: ANALOG
Topmost Latitude of Survey: +22
Bottommost Latitude: +06
Leftmost Longitude: +144
Rightmost Longitude: -157
General Digitizing Rate of Bathymetry: 018
General Sampling Rate of Bathymetry: VAR-W-DEPTH
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE AVERAGES
Additional Documentation: Navigation for the multibeam bathymetry was shifted to match bathymetry in the, survey area. Other data reported to have been collected on this cruise were Alvin dives, biological sampling, CTD, sediment traps, and current meters.
Number of Data Records: 22844

Min/Max Data Record:
Date: 1987 02 28
Latitude: +6.86958
Longitude: -179.99900
Bathymetry, 2- Way Traveltime: 000493
Bathymetry, Corrected Depth: 37.0

Min/Max Data Record:
Date: 1987 03 31
Latitude: +21.27682
Longitude: +179.99522
Bathymetry, 2- Way Traveltime: 128253
Bathymetry, Corrected Depth: 9912.0