Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB9ZR callsign genealogy
Currently held by Kaczorek, Claude 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 AB9ZR's current licensee, walking backwards.
- Kaczorek, Claude JWIgranted 2002-08-19cancelled 2011-08-01
Successor callsigns
Callsigns held now by people who previously held AB9ZR.
- Kaczorek, Claude JWIgranted 2002-08-19cancelled 2011-09-13