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

AC9FZ callsign genealogy

Currently held by Piva, William 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 AC9FZ's current licensee, walking backwards.

  1. AC9FWcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-07-31
  2. AB9ZZactive· E
    Finco, Steven CWIgranted 2026-01-27
  3. KC9YNRcancelled· E
    Finco, Steven CWIgranted 2013-03-15cancelled 2016-03-01

Successor callsigns

Callsigns held now by people who previously held AC9FZ.

  1. AC9GAcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-08-06
← Back to AC9FZ License history →