Survey Identifier: WI343412


Format Acronym: MGD77
Data Center File Number: 09780016
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800205
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: LEG 1
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19731023
Port of Departure: LAS PALMAS, LANARY ISLANS
Survey Arrival Date (yyyymmdd): 19731109
Port of Arrival: LISBON, PORTUGAL
Navigation Instrumentation: MX 706 SATNAV,
Geodetic Datum/Position: PRIM - SATELLITE
Bathymetry Instrumentation: HARRIS 853-D 2-2/3 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: +43
Bottommost Latitude: +28
Leftmost Longitude: -022
Rightmost Longitude: -010
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: 15810

Min/Max Data Record:
Date: 1973 10 24
Latitude: +28.89000
Longitude: -21.38833
Bathymetry, 2- Way Traveltime: 002333
Bathymetry, Corrected Depth: 175.0
Magnetics Total Field, 1st Sensor: 391703
Magnetics Residual Field: -04970

Min/Max Data Record:
Date: 1973 11 08
Latitude: +42.63833
Longitude: -10.41667
Bathymetry, 2- Way Traveltime: 074480
Bathymetry, Corrected Depth: 5657.0
Magnetics Total Field, 1st Sensor: 453365
Magnetics Residual Field: +08730