Survey Identifier: A112L24


Format Acronym: MGD77
Data Center File Number: 17080002
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19860604
Source Institution: UNIVERSITY OF RHODE ISLAND
Country: USA
Platform Name: R/V ATLANTIS II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): RICHARD N. HEY
Project: A112L24
Funding: NSF
Survey Departure Date (yyyymmdd): 19850411
Port of Departure: PUNTARENAS, COSTA RICA
Survey Arrival Date (yyyymmdd): 19850508
Port of Arrival: ACAPULCO, MEXICO
Navigation Instrumentation: TRANSIT SATELLITE, OMEGA
Geodetic Datum/Position: PRIM-TRANSIT SATELLITE
Bathymetry Instrumentation: SEA BEAM, 3.5kHz ECHO SOUNDER
Additional Forms of Bathymetric Data: ANALOG
Topmost Latitude of Survey: +17
Bottommost Latitude: +02
Leftmost Longitude: -100
Rightmost Longitude: -090
General Digitizing Rate of Bathymetry: 10
General Sampling Rate of Bathymetry: VAR-W-DEPTH
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 1 MINUTE AVERAGES
Additional Documentation: Other data reported to have been collected on this cruise were ALVIN dives, bottom photography, and dredging.
Number of Data Records: 33249

Min/Max Data Record:
Date: 1985 04 13
Latitude: +1.74886
Longitude: -99.86822
Bathymetry, 2- Way Traveltime: 005000
Bathymetry, Corrected Depth: 377.0

Min/Max Data Record:
Date: 1985 05 08
Latitude: +16.64883
Longitude: -63.61997
Bathymetry, 2- Way Traveltime: 071053
Bathymetry, Corrected Depth: 5358.0