Survey Identifier: WI343421
Format Acronym: MGD77
Data Center File Number: 09780005
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19791010
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): 19740514
Port of Departure: ROTA, SPAIN
Survey Arrival Date (yyyymmdd): 19740601
Port of Arrival: LISBON, PORTUGAL
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: +45
Bottommost Latitude: +36
Leftmost Longitude: -019
Rightmost Longitude: -008
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: 6875
Min/Max Data Record:
Date: 1974 05 14
Latitude: +36.73333
Longitude: -18.11333
Bathymetry, 2- Way Traveltime: 003480
Bathymetry, Corrected Depth: 263.0
Magnetics Total Field, 1st Sensor: 424605
Magnetics Residual Field: -04390
Min/Max Data Record:
Date: 1974 06 01
Latitude: +44.63666
Longitude: -8.72000
Bathymetry, 2- Way Traveltime: 070520
Bathymetry, Corrected Depth: 5344.0
Magnetics Total Field, 1st Sensor: 460455
Magnetics Residual Field: +04820