Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9ZJ 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 AB9ZJ's current licensee, walking backwards.
- Piva, William JILgranted 2008-01-05cancelled 2011-06-28
- Piva, William JILgranted 2008-01-05cancelled 2011-06-21
- Piva, William JILgranted 2008-01-05cancelled 2010-09-24
- Piva, William JILgranted 2008-01-05cancelled 2010-09-10
- Piva, William JILgranted 2008-01-05cancelled 2010-09-08
- Piva, William JILgranted 2008-01-05cancelled 2010-05-06
- Piva, William JILgranted 2008-01-05cancelled 2010-04-20
- Piva, William JILgranted 2008-01-05cancelled 2010-04-06
- Piva, William JILgranted 2008-01-05cancelled 2010-03-23
- Piva, William JILgranted 2008-01-05cancelled 2010-03-16
Successor callsigns
Callsigns held now by people who previously held AB9ZJ.
- Piva, William JILgranted 2008-01-05cancelled 2011-07-07