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

KJ4PU callsign genealogy

Currently held by DAVIS, FRED 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 KJ4PU's current licensee, walking backwards.

  1. N4CTRactive· E
    Richards, Charles ESDgranted 2020-04-14
  2. KO4BWHcancelled· E
    Richards, Charles EVAgranted 2020-02-13cancelled 2020-04-14

Successor callsigns

Callsigns held now by people who previously held KJ4PU.

  1. KZ4MVactive· E
    DAVIS, FRED LFLgranted 2021-07-02
← Back to KJ4PU License history →