Survey Identifier: SI930004
Format Acronym: MGD77
Data Center File Number: 09030022
Parameters Surveyed Code: 53131
File Creation Date (yyyymmdd): 19791015
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: SURVEY OF E.JAPAN SONA AREA NP-7 LEG 1,2.
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19700129
Port of Departure: YOKOSUKA,JAPAN
Survey Arrival Date (yyyymmdd): 19700301
Port of Arrival: YOKOSUKA,JAPAN
Navigation Instrumentation: LORAN A
Geodetic Datum/Position: PRIM LORAN A
Bathymetry Instrumentation: 12 KHZ WIDE BEAM 45 DEG
Additional Forms of Bathymetric Data: ANALOG
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAG
Additional Forms of Magnetics Data: ANALOG
Topmost Latitude of Survey: +45
Bottommost Latitude: +29
Leftmost Longitude: +139
Rightmost Longitude: +161
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1-SEC.
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: SCALED 5-MIN VALUES COMPUTER CONVERTED TO SONIC METERS
Additional Documentation: 3.5KHZ WERE COLLECTED AND PROBABLY USED WITH 12-KHZ BATHY TO, COMPLETE BATHY FILE, IN PORT YOKOSUKA 700210-700216, DAYS 02/4-8 MISSING, IN PORT YOKOSUKA 700210-700216
Number of Data Records: 3325
Min/Max Data Record:
Date: 1970 01 29
Latitude: +29.00000
Longitude: +139.99166
Bathymetry, 2- Way Traveltime: 004093
Bathymetry, Corrected Depth: 313.0
Min/Max Data Record:
Date: 1970 03 01
Latitude: +44.48500
Longitude: +160.11667
Bathymetry, 2- Way Traveltime: 099347
Bathymetry, Corrected Depth: 7571.0