Emergency information

No inforamtion.

Maintenance Plans on Radio Monitoring Facilities

First Term ~ Third Term
(1993-2001)
Fourth Term
(2002-2004)
Fifth Term
(2005-2007)
Sixth Term
(2008-2010)
Focus Plan
  • Specification of cities with populations of not less than 50,000 inhabitants as radio monitoring areas
  • Improvement of Radio Monitoring Facility
  • Installation of automatic Radio Monitoring  system designed to 24-hours radio monitoring
  • Specification of cities with populations of not less than 30,000 inhabitants and receive constant reports on interference or disturbance as radio monitoring areas.
  • Improvement and enhancement of direction finding precision at prefectural capitals
  • Improvement of radio monitoring facilities
  • Installation of Space Radio Monitoring Facility
  • Maintenance and operation existing facilities
  • Improvement and enhancement of direction finding precision at prefectural capitals
  • Improvement and enhancement direction finding precision of radio monitoring facilities at the adjacent area of DEURAS-Ds
  • Improvement of Radio Monitoring Facility
  • Installation of Space Radio Monitoring Facility
  • Maintenance and operation existing facilities
  • Improvement and enhancement of direction finding precision at prefectural capitals
  • Improvement of Radio Monitoring Facility
  • Installation of Space Radio Monitoring Facility
  • Maintenance and operation existing facilities
Detect Unlicensed Radio Stations-Receiver (DEURAS-R)
  • Tokyo and the other major cities designated by government ordinance
  • Location of the Regional Bureau of Telecommunications
  • Wide flatlands (Kanto , Osaka , Nobi plain, etc)
  • The Inland Sea of Japan and major airports
  • Prefectural capitals on a scale higher than or equal to those cities targeted in the First Term
  • Prefectural capitals other than those targeted in the Third Term
  • Replacement of DEURAS-Rs located at prefectural with DEURUS-Ds
  • Update of existing facilities
  • Replacement of DEURAS-Rs with DEURAS-Ds
  • Improvement of DEURAS-Ds located at prefectural capitals
  • Update of existing facilities
  • Replacement of DEURAS-Rs with DEURAS-Ds
  • Improvement of DEURAS-Ds including analytical functions
  • Update of existing facilities
Detect Unlicensed Radio Stations-Receiver (DEURAS-R)
  • Local core cities , with a focus on prefectural capitals
  • Cities that have populations of not less than 50,000 inhabitants outside the radio monitoring areas for DEURAS-D
  • Cities that have populations of not less than 30,000 inhabitants outside the radio monitoring areas for DEURAS-D and receive the same or higher number of reports on interference or disturbance , compared to those targeted in the Second Term
Detect Unlicensed Radio Stations-HF Direction Finder(DEURAS-H)
  • 5 locations
  • Update of existing facilities
  • Update of existing facilities
  • Update of existing facilities
Detect Unlicensed Radio Stations-Mobile(DEURAS-M)
  • 18 platforms
  • Update of existing equipment
  • Update of existing equipment
  • Update of existing equipment
Space Radio Monitoring Facility Preparation of the center station and the fixed monitoring station to maintain surveillance over the L/Ku/Ka band in the Kanto area
  • Existing facilities to be update
    ( L/Ku/Ka band )
  • Existing facilities to be update ( L/ S/C/Ku/Ka )
Division in Charge:Radio Monitoring Office