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

KK4HM callsign genealogy

Currently held by Mc Coin, Harold D

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 KK4HM's current licensee, walking backwards.

  1. AA4BKactive· E
    KNOLL, BRIAN FNCgranted 2023-05-31
  2. KY4XOcancelled· E
    KNOLL, BRIAN FNCgranted 2023-04-28cancelled 2023-05-31
  3. KB4CPUcancelled· E
    KNOLL, BRIAN FNCgranted 2023-04-28cancelled 2023-05-04
  4. KQ4HPEcancelled· G
    KNOLL, BRIAN FNCgranted 2023-04-05cancelled 2023-04-28

Successor callsigns

Callsigns held now by people who previously held KK4HM.

  1. AC4HMactive· E
    Mc Coin, Harold DTNgranted 2020-01-24

All historical holders

Every license row we've seen with the callsign KK4HM, oldest first.

  • MARSHALL, NORMAN J VA
    1997-01-24 → cancelled 2009-01-27
  • Mc Coin, Harold D TN
    2014-02-19 → cancelled 2020-01-24
← Back to KK4HM License history →