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

AC9CM callsign genealogy

Currently held by ZWETTLER JR, FRANK J

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 AC9CM's current licensee, walking backwards.

  1. WA9NFWcancelled· E
    ZWETTLER JR, FRANK JINgranted 2008-10-15cancelled 2012-06-05
  2. AB9Jactive· E
    BATTERMAN, CHARLES AGAgranted 2024-03-02
  3. W6CABactive· T
    Brown, Andrew GCAgranted 2017-01-24
  4. KK6SJHcancelled· T
    Brown, Andrew GCAgranted 2015-03-06cancelled 2017-01-24

Successor callsigns

Callsigns held now by people who previously held AC9CM.

No current licensee on record previously held this callsign.

← Back to AC9CM License history →