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

K3HQ callsign genealogy

Currently held by FARRELL, BRADLEY A

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 K3HQ's current licensee, walking backwards.

  1. AJ6ZUcancelled· E
    Hirshberg, Doron DCAgranted 2022-12-14cancelled 2023-03-21
  2. KN6WWYcancelled· E
    Hirshberg, Doron DCAgranted 2022-12-14cancelled 2023-02-13

Successor callsigns

Callsigns held now by people who previously held K3HQ.

  1. K0SOcancelled· E
    FARRELL, BRADLEY APAgranted 1999-02-10cancelled 1999-09-22

All historical holders

Every license row we've seen with the callsign K3HQ, oldest first.

  • MC KELVIE, RICHARD T MD
    2010-12-07 → cancelled 2023-03-03
  • Hirshberg, Doron D CA
    2023-03-21 active
  • FARRELL, BRADLEY A
    — → cancelled 1999-02-10
← Back to K3HQ License history →