Survey Identifier: WI343802
Format Acronym: MGD77
Data Center File Number: 09780019
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800205
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: I.O. TRACK 8.
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19771105
Port of Departure: KARACHI, PAKISTAN
Survey Arrival Date (yyyymmdd): 19771127
Port of Arrival: KARACHI, PAKISTAN
Navigation Instrumentation: MX706 SATNAV
Geodetic Datum/Position: 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: +24
Bottommost Latitude: +21
Leftmost Longitude: +064
Rightmost Longitude: +066
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, WARNING: ALL OR PORTIONS OF THE MAGNETIC DATA COLLECTED ON THIS SURVEY LEG, ARE KNOWN TO BE ERRONEOUS
Number of Data Records: 869
Min/Max Data Record:
Date: 1977 11 06
Latitude: +21.67666
Longitude: +64.53333
Bathymetry, 2- Way Traveltime: 018587
Bathymetry, Corrected Depth: 1402.0
Magnetics Total Field, 1st Sensor: 426208
Magnetics Residual Field: -06370
Min/Max Data Record:
Date: 1977 11 06
Latitude: +23.29500
Longitude: +65.87500
Bathymetry, 2- Way Traveltime: 042480
Bathymetry, Corrected Depth: 3193.0
Magnetics Total Field, 1st Sensor: 435265
Magnetics Residual Field: -05410