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

KB9KK callsign genealogy

Currently held by BERRY, JOHN 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 KB9KK's current licensee, walking backwards.

  1. AE0LKcancelled· E
    Drumheller, Justin CCOgranted 2020-10-26cancelled 2021-02-06
  2. KF0CEBcancelled· E
    Drumheller, Justin CCOgranted 2020-10-26cancelled 2020-12-10

Successor callsigns

Callsigns held now by people who previously held KB9KK.

  1. KV3Iactive· E
    Drumheller, Justin CMIgranted 2021-02-27

All historical holders

Every license row we've seen with the callsign KB9KK, oldest first.

  • BERRY, JOHN L CA
    2005-12-22 → cancelled 2017-12-23
  • Drumheller, Justin C CO
    2021-02-06 → cancelled 2021-02-27
← Back to KB9KK License history →