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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KX1RJ callsign genealogy

Currently held by NAKAMURA, KIYOSHI L

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KX1RJ's current licensee, walking backwards.

  1. AJ0Xactive· E
    Greenfield, Daniel SVAgranted 2022-06-03
  2. KY4ORcancelled· E
    Greenfield, Daniel SVAgranted 2020-03-13cancelled 2022-06-03
  3. KJ6IRVcancelled· E
    Greenfield, Daniel SVAgranted 2020-03-13cancelled 2022-04-18

Successor callsigns

Callsigns held now by people who previously held KX1RJ.

  1. AA3AXactive· E
    NAKAMURA, KIYOSHI LNYgranted 2022-01-14
  2. KJ6UZcancelled· E
    NAKAMURA, KIYOSHI LNYgranted 2015-12-29cancelled 2016-04-08
  3. KD0DRcancelled· E
    NAKAMURA, KIYOSHI LNYgranted 2013-02-09cancelled 2013-08-14

All historical holders

Every license row we've seen with the callsign KX1RJ, oldest first.

  • NAKAMURA, KIYOSHI L NY
    2012-01-27 → cancelled 2013-02-09
  • NAKAMURA, KIYOSHI L NY
    2015-11-06 → cancelled 2015-12-29
  • NAKAMURA, KIYOSHI L NY
    2020-05-15 → cancelled 2022-01-14
← Back to KX1RJ License history →