Survey Identifier: SI938023
Format Acronym: MGD77
Data Center File Number: 09030019
Parameters Surveyed Code: 53131
File Creation Date (yyyymmdd): 19791002
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): 19680411
Port of Departure: SASEBO
Survey Arrival Date (yyyymmdd): 19680513
Port of Arrival: SASEBO
Navigation Instrumentation: LORAN C, LORAN A
Geodetic Datum/Position: PRIM-LORAN C
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: GEOTECH SEISMIC SECTION PROFILER
Topmost Latitude of Survey: +46
Bottommost Latitude: +33
Leftmost Longitude: +129
Rightmost Longitude: +141
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 HAKEDATE 680429-680502
Number of Data Records: 3522
Min/Max Data Record:
Date: 1968 04 11
Latitude: +33.09333
Longitude: +129.28167
Bathymetry, 2- Way Traveltime: 000507
Bathymetry, Corrected Depth: 38.0
Min/Max Data Record:
Date: 1968 05 13
Latitude: +45.02667
Longitude: +140.64833
Bathymetry, 2- Way Traveltime: 049627
Bathymetry, Corrected Depth: 3670.0