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

AC9JI 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 AC9JI's current licensee, walking backwards.

  1. AC9GGcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2014-08-19
  2. AC9GFcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-08-15
  3. AC9GEcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-08-14
  4. AC9GDcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-08-13
  5. AC9GBcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-08-10
  6. AC9GAcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-08-06
  7. AC9FZcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-08-03
  8. AC9FWcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2013-07-31
  9. AB9ZZactive· E
    Finco, Steven CWIgranted 2026-01-27
  10. KC9YNRcancelled· E
    Finco, Steven CWIgranted 2013-03-15cancelled 2016-03-01

Successor callsigns

Callsigns held now by people who previously held AC9JI.

  1. AC9JJcancelled· E
    Piva, William JILgranted 2008-01-05cancelled 2015-01-10
← Back to AC9JI License history →