Survey Identifier: WI343513


Format Acronym: MGD77
Data Center File Number: 09780010
Parameters Surveyed Code: 50133
File Creation Date (yyyymmdd): 19791124
Source Institution: US NAVAL OCEANOGRAPHIC OFFICE
Country: USA
Platform Name: USNS WILKES
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 7220
Project: CARIBBEAN-CAYMAN TRENCH LEG 1, LEG 2
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19730202
Port of Departure: NORFOLK, VA
Survey Arrival Date (yyyymmdd): 19730225
Port of Arrival: WASHINGTON D.C.
Navigation Instrumentation: MX706 SATVAV, SPN 38 L/C
Geodetic Datum/Position: PRIM SATELLITE
Bathymetry Instrumentation: HARRIS 853-D-2/3 BEAM 12KHZ 1-SEC SW
Additional Forms of Bathymetric Data: ANALOG
Magnetics Instrumentation: PROTON PRECESSION MAG-GEOMETRICS
Additional Forms of Magnetics Data: ANALOG
Seismic Instrumentation: TELEDYNE 90KJ SPARKER 31-160 HZ 1-CHAN
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +35
Bottommost Latitude: +23
Leftmost Longitude: -073
Rightmost Longitude: -049
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: EVERY 10 SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: DATA AVERAGED TO OBTAIN 1-MINUTE AVERAGE VALUES
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
Magnetic Sensor Tow Distance: 245+
Reference Field Code: 03
Reference Field: IGRF-65
Additional Documentation: 3.5KHZ ANALOG PROFILES COLLECTED-EPO 240 SYSTEM, 10-SEC AND 4-SEC DELAYED SWEEP SEISMIC ANALOG RECORDS, IN PORT 730217-730220 MONTEGO BAY, JAMAICA
Number of Data Records: 19952

Min/Max Data Record:
Date: 1974 10 27
Latitude: +23.49000
Longitude: -72.08667
Bathymetry, 2- Way Traveltime: 046280
Bathymetry, Corrected Depth: 3484.0

Min/Max Data Record:
Date: 1974 11 12
Latitude: +34.64000
Longitude: -49.45666
Bathymetry, 2- Way Traveltime: 086373
Bathymetry, Corrected Depth: 6581.0