Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9NZ callsign genealogy
Currently held by Smolinski, William T
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 AC9NZ's current licensee, walking backwards.
- Smolinski, William TILgranted 2014-10-09cancelled 2016-04-04
Successor callsigns
Callsigns held now by people who previously held AC9NZ.
- Smolinski, William TILgranted 2026-03-19