Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9KAZ callsign genealogy
Currently held by Kasdorf Jr, George P
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 K9KAZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K9KAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9KAZ, oldest first.
- Kasdorf Jr, George P MI2012-02-28 → cancelled 2024-05-18
- Kouzmanoff, Jeffrey T IL2024-07-16 active