Special Operation — Repeaters


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  1. Bands and Numbers
  2. We have about 1,400 repeaters throughout the country — hundreds of 70cm (430MHz) and 23cm (1200MHz), as well as about one hundred 13cm (2400MHz), eight 5cm (5600MHz) and five 3cm (10.1GHz).
    We have NO other bands ones.

    Recently, about 150 digital — aka D-STAR — repeaters are included on 70cm and 23cm.
    (cf. JP1YEX — 434.44MHz in/439.44MHz out — is the first trial repeater for digital communications in our past May 6, 1986 - May 6, 1988.)

    JA Repeater Subbands and Numbers
    JA Repeater Subbands (MHz)# as of Mar. 31, 2013Remarks
    UplinkDownlink
    29.51 - 29.5929.61 - 29.701 
    434.00 - 435.00439.00 - 440.00716Including DV:119
    1,270.00 - 1,273.001,290.00 - 1,293.00603Including DV:30 and DD:32
    2,405.00 - 2,407.002,425.00 - 2,427.0089 
    5,725.00 - 5,730.005,765.00 - 5,770.007 
    10,175.00 - 10,180.0010,245.00 - 10,250.005 

  3. Call Sign Allocation
  4. Repeaters' call signs are allocated as JR#WA-WZ, JR#VA-VZ and JP#YAA-YZZ in mainland — including Ogasawasa —, while JR6YA-YZ and JQ6YAA-YZZ for Okinawa.
    But blocks JP#YAA-YBZ and JQ6YAA-YAZ are withheld.

    Repeater Call Signs
    Mainland (including Ogasawara) Okinawa
    AllocationAssigning Order AllocationAssigning Order
    JR#VA-VZ
    JR#WA-WZ
    JP#YAA-YZZ JR#WA-WZ
    JR#VA-VZ
    JP#YCA-YZZ
    JR6YA-YZJQ6YAA-YZZ JR6YA-YZ
    JQ6YBA-YZZ

    NOTE: In July, 2013, The Okinawa Office of Telecommunications mistakenly assigned JQ6YAA for a repeater, instead of JQ6YBA.


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Jan. 26, 2014, Ryota "Roy" Motobayashi, JJ1WTL