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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KX1B callsign genealogy

Currently held by RILEY, MICHAEL R

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 KX1B's current licensee, walking backwards.

  1. K1SNHactive· G
    Jagatic, Tom NNHgranted 2020-04-25
  2. W1KKDactive· T
    Cox, Timothy HOHgranted 2022-06-14
  3. K0THCcancelled· T
    Cox, Timothy HOHgranted 2018-07-24cancelled 2022-06-14
  4. KE8KEGcancelled· T
    Cox, Timothy HOHgranted 2018-07-02cancelled 2018-07-24

Successor callsigns

Callsigns held now by people who previously held KX1B.

  1. K4MRRactive· E
    RILEY, MICHAEL RTNgranted 2017-09-09

All historical holders

Every license row we've seen with the callsign KX1B, oldest first.

  • RILEY, MICHAEL R TN
    1998-09-03 → cancelled 2007-11-24
  • King, Bryan P NH
    2019-10-29 active
← Back to KX1B License history →