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

KK4AC callsign genealogy

Currently held by MASHBURN, VERNON 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 KK4AC's current licensee, walking backwards.

  1. AK4AQcancelled· E
    ALBERT, CHARLES WGAgranted 2007-12-29cancelled 2016-04-15
  2. K4AWCactive· T
    Crowl, Andrew WKYgranted 2023-02-16
  3. N8MDHcancelled· T
    CROWL, ANDREW WKYgranted 2010-02-02cancelled 2013-02-26

Successor callsigns

Callsigns held now by people who previously held KK4AC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KK4AC, oldest first.

  • MASHBURN, VERNON A TN
    1998-03-16 → cancelled 2010-03-17
  • ALBERT, CHARLES W GA
    2026-02-19 active
← Back to KK4AC License history →