Survey Identifier: SI343608
Format Acronym: MGD77
Data Center File Number: 09030045
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19800908
Source Institution: US NAVAL OCEANOGRAPHIC OFFICE
Country: USA
Platform Name: USNS BENT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 3432
Project: LEG 1,2.
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19751112
Port of Departure: YOKOSUKA
Survey Arrival Date (yyyymmdd): 19751212
Port of Arrival: YOKOSUKA
Navigation Instrumentation: MX 706 SATNAV, SPN 38 L/C
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: HARRIS 853-D 2-2/3 BEAM 12KHZ 1SEC SW
Additional Forms of Bathymetric Data: ANALOG
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAG
Additional Forms of Magnetics Data: ANALOG
Seismic Instrumentation: TELEDYNE 90KJ SPARKER 31-160HZ 1 CHAN
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +43
Bottommost Latitude: +31
Leftmost Longitude: +129
Rightmost Longitude: +145
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: EVERY 10 SEC
Assumed Sound Velocity: 05000
Bathymetric Datum Code: 00
Interpolation Scheme: DATA AVERAGDED TO OBTAIN 1-MINUTE VALUES
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 01
Magnetic Sensor Tow Distance: 245+
Reference Field Code: 03
Reference Field: IGRF-65
Additional Documentation: 3.5KHZ ANALOG PROFILES EDO 240 SYSTEM, IN PORT HAKODATE 751126-751201
Number of Data Records: 21104
Min/Max Data Record:
Date: 1975 11 12
Latitude: +31.66000
Longitude: +129.52500
Bathymetry, 2- Way Traveltime: 000973
Bathymetry, Corrected Depth: 73.0
Magnetics Total Field, 1st Sensor: 444283
Magnetics Residual Field: -04390
Free-Air Anomaly: +0000
Min/Max Data Record:
Date: 1975 12 11
Latitude: +42.35333
Longitude: +144.31667
Bathymetry, 2- Way Traveltime: 087027
Bathymetry, Corrected Depth: 6580.0
Magnetics Total Field, 1st Sensor: 493248
Magnetics Residual Field: +85890
Free-Air Anomaly: +0000