Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9KL 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 AC9KL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC9KL.
- Piva, William JILgranted 2008-01-05cancelled 2015-04-04