Survey Identifier: SI343410


Format Acronym: MGD77
Data Center File Number: 09030043
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 1982 8 5
Source Institution: US NAVAL OCEANOGRAPHIC OFFECE
Country: USA
Platform Name: USNS SILAS BENT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 3432
Project: 19
Funding: IN PORT 731028-73110
Survey Departure Date (yyyymmdd): 19731013
Port of Departure: PEARL HARBOR
Survey Arrival Date (yyyymmdd): 19731221
Port of Arrival: OAKLAND
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
Topmost Latitude of Survey: +40
Bottommost Latitude: +21
Leftmost Longitude: -158
Rightmost Longitude: -124
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
Method of Applying Residual Field: 18
Number of Data Records: 25424

Min/Max Data Record:
Date: 1973 10 13
Latitude: +21.23000
Longitude: -157.66333
Bathymetry, 2- Way Traveltime: 001027
Bathymetry, Corrected Depth: 77.0
Magnetics Total Field, 1st Sensor: 357793
Magnetics Residual Field: -06090

Min/Max Data Record:
Date: 1973 12 21
Latitude: +39.34000
Longitude: -124.80000
Bathymetry, 2- Way Traveltime: 083253
Bathymetry, Corrected Depth: 6301.0
Magnetics Total Field, 1st Sensor: 503383
Magnetics Residual Field: +99970