Survey Identifier: HS8003
Format Acronym: MGD77
Data Center File Number: J1020023
Parameters Surveyed Code: 5
File Creation Date (yyyymmdd): 19880928
Source Institution: HYDROGRAPHIC DEPT. M.S.A.
Country: JAPAN
Platform Name: SHOYO
Platform Type Code: 1
Platform Type: SHIP
Project: ISHIGAKI ZIMA SHUHEN
Survey Departure Date (yyyymmdd): 1980
Survey Arrival Date (yyyymmdd): 1980
Magnetics Instrumentation: PROTON MAG
Topmost Latitude of Survey: +27
Bottommost Latitude: +25
Leftmost Longitude: +123
Rightmost Longitude: +126
General Digitizing Rate of Bathymetry: 100
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 07
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 60
Magnetic Sensor Tow Distance: 250
Reference Field Code: 03
Reference Field: DGRF
Method of Applying Residual Field: DIURNAL CORRECTIONS USING OBSERVATORY DATA
Additional Documentation: magnetics has no times OLD NGDC:56080023
Number of Data Records: 3499
Min/Max Data Record:
Latitude: +25.39255
Longitude: +123.13984
Magnetics Total Field, 1st Sensor: 404100
Min/Max Data Record:
Latitude: +26.82424
Longitude: +125.30927
Magnetics Total Field, 1st Sensor: 455700