Survey Identifier: WI343512
Format Acronym: MGD77
Data Center File Number: 09780009
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19791124
Source Institution: U.S NAVAL OCEANOGRAPHIC OFFICE
Country: U.S.A.
Platform Name: USNS WILKES
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 7220
Project: LEG 1
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19741006
Port of Departure: BERMUDA
Survey Arrival Date (yyyymmdd): 19741022
Port of Arrival: BERMUDA
Navigation Instrumentation: MX706 SATNAV, SPN38 L/C
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: HARRIS 853-D 2-2/3 BEAM 12KHZ / SEC SW
Additional Forms of Bathymetric Data: ANALOG
Magnetics Instrumentation: PROTON PRECESSION MAG - GEOMETRICS
Additional Forms of Magnetics Data: ANALOG
Seismic Instrumentation: TELEDYNE 90KJ SPARKERS 31-160HZ 1 CHAN
Formats of Seismic Data: ANALOG, SEE ADD. DOC.
Topmost Latitude of Survey: +33
Bottommost Latitude: +31
Leftmost Longitude: -066
Rightmost Longitude: -063
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: 3.5 KHZ ANALOG PROFILES COLLECTED - EDO 240 SYSTEM, 10-SEC AND 4-SEC DELAYED SWEEP SEISMIC ANALOG RECORDS
Number of Data Records: 10211
Min/Max Data Record:
Date: 1974 10 13
Latitude: +31.13000
Longitude: -65.19333
Bathymetry, 2- Way Traveltime: 000680
Bathymetry, Corrected Depth: 51.0
Magnetics Total Field, 1st Sensor: 492888
Magnetics Residual Field: -06340
Min/Max Data Record:
Date: 1974 10 22
Latitude: +32.19333
Longitude: -63.47166
Bathymetry, 2- Way Traveltime: 064520
Bathymetry, Corrected Depth: 4884.0
Magnetics Total Field, 1st Sensor: 504788
Magnetics Residual Field: -01130