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

AB9J 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 AB9J's current licensee, walking backwards.

  1. W6CABactive· T
    Brown, Andrew GCAgranted 2017-01-24
  2. KK6SJHcancelled· T
    Brown, Andrew GCAgranted 2015-03-06cancelled 2017-01-24

Successor callsigns

Callsigns held now by people who previously held AB9J.

  1. AG4Ccancelled· E
    BRANTLEY, DUANENCgranted 2012-04-10cancelled 2015-03-24
  2. WA9NFWcancelled· E
    ZWETTLER JR, FRANK JINgranted 2008-10-15cancelled 2012-06-05

All historical holders

Every license row we've seen with the callsign AB9J, oldest first.

  • ZWETTLER JR, FRANK J IL
    2007-06-12 → cancelled 2008-10-15
  • BRANTLEY, DUANE NC
    2011-04-05 → cancelled 2012-04-10
  • BATTERMAN, CHARLES A GA
    2024-03-02 active
← Back to AB9J License history →