Survey Identifier: A112L31

Format Acronym: MGD77
Data Center File Number: 17080006
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): ROBERT EMBLEY
Project: A112L31
Funding: NOAA
Survey Departure Date (yyyymmdd): 19850922
Port of Departure: ACAPULCO, MEXICO
Survey Arrival Date (yyyymmdd): 19851017
Port of Arrival: PANAMA CITY, PANAMA
Navigation Instrumentation: OMEGA, TRANSIT SATELLITE
Geodetic Datum/Position: PRIM-SAT
Bathymetry Instrumentation: SEA BEAM vertical beam
Additional Forms of Bathymetric Data: ANALOG
Topmost Latitude of Survey: +14
Bottommost Latitude: +00
Leftmost Longitude: -097
Rightmost Longitude: -083
General Digitizing Rate of Bathymetry: 011
General Sampling Rate of Bathymetry: VAR-W-DEPTH
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE AVERAGES
Additional Documentation: Other data reported to have been collected on this cruise were Alvin dives, bottom photography, dredging, Sea Beam backscatter. Navigation for the multibeam bathymetry was shifted to match Navy SASS, bathymetry in the survey area.
Number of Data Records: 23617

Min/Max Data Record:
Date: 1985 09 23
Latitude: +0.39828
Longitude: -96.65997
Bathymetry, 2- Way Traveltime: 014613
Bathymetry, Corrected Depth: 1091.0

Min/Max Data Record:
Date: 1985 10 15
Latitude: +13.01203
Longitude: -83.05905
Bathymetry, 2- Way Traveltime: 057800
Bathymetry, Corrected Depth: 4337.0