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

KT4UF callsign genealogy

Currently held by JOHNSTON, ROBERT W

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 KT4UF's current licensee, walking backwards.

  1. KC9JCcancelled· E
    Carter, James IINgranted 2013-12-03cancelled 2014-03-14
  2. N9QJactive· E
    Carter, JamesINgranted 2021-09-14
  3. WX9JIMcancelled· E
    Carter, James IINgranted 2021-02-27cancelled 2021-09-14

Successor callsigns

Callsigns held now by people who previously held KT4UF.

  1. KC9JCcancelled· A
    JOHNSTON, ROBERT WINgranted 2008-09-12cancelled 2010-01-30
← Back to KT4UF License history →