Survey Identifier: SI343615


Format Acronym: MGD77
Data Center File Number: 09030039
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 1982 8 2
Source Institution: US NAVAL OCEANOGRAPHIC OFFICE
Country: USA
Platform Name: USNS SILAS BENT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 3432
Project: LEG 1
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19760405
Port of Departure: PEARL HARBOR
Survey Arrival Date (yyyymmdd): 19750425
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: +50
Bottommost Latitude: +22
Leftmost Longitude: +142
Rightmost Longitude: -161
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 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: 3.5KHZ ANALOG PROFILES - EDO 240 SYSTEM, 3 BOTTOM PHOTOGRAPHY STATIONS, 20 SVSTD STATIONS TAKEN 17 CORES 163 SUCCESSFUL XBT'S, 1 CURRENT METER ARRAY INPLANTED AND RECOVERED
Number of Data Records: 21065

Min/Max Data Record:
Date: 1976 04 07
Latitude: +22.78500
Longitude: -179.99833
Bathymetry, 2- Way Traveltime: 001360
Bathymetry, Corrected Depth: 102.0
Magnetics Total Field, 1st Sensor: 361685
Magnetics Residual Field: -05640

Min/Max Data Record:
Date: 1976 04 23
Latitude: +49.99000
Longitude: +179.99833
Bathymetry, 2- Way Traveltime: 098080
Bathymetry, Corrected Depth: 7464.0
Magnetics Total Field, 1st Sensor: 488292
Magnetics Residual Field: +04950