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

KK4TX callsign genealogy

Currently held by Petri, Robert M

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 KK4TX's current licensee, walking backwards.

  1. N4LRXcancelled· E
    Petri, Robert MALgranted 2022-12-09cancelled 2024-08-23
  2. K4WTAcancelled· G
    Petri, Robert MALgranted 2021-07-02cancelled 2022-12-09
  3. KM4ODLcancelled· T
    Petri, Robert MALgranted 2015-10-15cancelled 2021-07-02

Successor callsigns

Callsigns held now by people who previously held KK4TX.

  1. AB4FSexpired· E
    VAN PELT SR, JAMES KFLgranted 2003-07-30cancelled 2015-10-27
← Back to KK4TX License history →