Survey Identifier: SI343625
Format Acronym: MGD77
Data Center File Number: 09030035
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800910
Source Institution: U.S. NAVAL OCEANOGRAPHIC OFFICE
Country: USA
Platform Name: USNS SILAS BENT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 3432, 7220
Project: LEG2, LEG1 , LEG3
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19760904
Port of Departure: ADAK
Survey Arrival Date (yyyymmdd): 19760918
Port of Arrival: YOKOSUKA
Navigation Instrumentation: MX706 SATNAV, SPN38 L/C
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-VARIAN
Additional Forms of Magnetics Data: ANALOG
Seismic Instrumentation: TELEDYNE 90KJ SPARKER 31-160HZ 1-CHAN
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +57
Bottommost Latitude: +36
Leftmost Longitude: +142
Rightmost Longitude: -177
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-MIN 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-EDO 240 SYSTEM, IN PORT 760920-761003 YOKOSUKA 761013-761017 YOKOSUKA
Number of Data Records: 21341
Min/Max Data Record:
Date: 1976 09 04
Latitude: +36.60666
Longitude: -179.99666
Bathymetry, 2- Way Traveltime: 001493
Bathymetry, Corrected Depth: 112.0
Magnetics Total Field, 1st Sensor: 447322
Magnetics Residual Field: -08560
Min/Max Data Record:
Date: 1976 09 18
Latitude: +56.00667
Longitude: +179.99833
Bathymetry, 2- Way Traveltime: 102987
Bathymetry, Corrected Depth: 7842.0
Magnetics Total Field, 1st Sensor: 517760
Magnetics Residual Field: +04490