Survey Identifier: RN86
Format Acronym: MGD77
Data Center File Number: J7010001
Parameters Surveyed Code: 55151
File Creation Date (yyyymmdd): 19921016
Source Institution: UNIV OF THE RYUKYUS
Country: JAPAN
Platform Name: NAGASAKI MARU
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): UJIIE,HIROSHI
Project: RN-86 AROUND ISHIGAKI-IRIOMOTE JIMA AREA
Funding: DEPT OF MARINE SCI.
Survey Departure Date (yyyymmdd): 19861003
Port of Departure: NAHA,OKINAWA
Survey Arrival Date (yyyymmdd): 19861010
Port of Arrival: NAHA,OKINAWA
Geodetic Datum/Position: SATELLITE,RADAR,LORAN-A HIBRID NAV.
Bathymetry Instrumentation: 3.5KHZ/12KHZ
Magnetics Instrumentation: EG&G
Additional Forms of Magnetics Data: 1MIN OR 30SEC INTERVAL SAMPLING
Seismic Instrumentation: 3.5HHZ/12KHZ
Topmost Latitude of Survey: +27
Bottommost Latitude: +23
Leftmost Longitude: +123
Rightmost Longitude: +128
General Digitizing Rate of Bathymetry: 100
General Digitizing Rate of Magnetics: 058
Additional Documentation: COMPILED BY ATSUSHI OSHIDA, OLD NGDC:56160001
Number of Data Records: 430
Min/Max Data Record:
Date: 1986 10 04
Latitude: +23.91589
Longitude: +123.61842
Bathymetry, Corrected Depth: 33.0
Magnetics Total Field, 1st Sensor: 438523
Magnetics Residual Field: -01996
Min/Max Data Record:
Date: 1986 10 10
Latitude: +26.24136
Longitude: +127.60389
Bathymetry, Corrected Depth: 2855.0
Magnetics Total Field, 1st Sensor: 443463
Magnetics Residual Field: +01819