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

WA9NFW 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 WA9NFW's current licensee, walking backwards.

  1. AB9Jactive· E
    BATTERMAN, CHARLES AGAgranted 2024-03-02
  2. W6CABactive· T
    Brown, Andrew GCAgranted 2017-01-24
  3. KK6SJHcancelled· T
    Brown, Andrew GCAgranted 2015-03-06cancelled 2017-01-24

Successor callsigns

Callsigns held now by people who previously held WA9NFW.

  1. AC9CMexpired· E
    ZWETTLER JR, FRANK JINgranted 2008-10-15cancelled 2020-10-16