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

AC0MM callsign genealogy

Currently held by Townsend, Ethan 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 AC0MM's current licensee, walking backwards.

  1. KC0MWBcancelled· E
    Burke, John DCOgranted 2013-04-02cancelled 2020-11-17
  2. KB7SGScancelled· G
    Burke, John DCOgranted 1993-01-26cancelled 2002-04-03

Successor callsigns

Callsigns held now by people who previously held AC0MM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AC0MM, oldest first.

  • Townsend, Ethan L CO
    2008-09-08 → cancelled 2020-09-09
  • Burke, John D CO
    2020-11-17 active
← Back to AC0MM License history →