Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ9Q callsign genealogy
Currently held by von Tobel, Barry 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 KZ9Q's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KZ9Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ9Q, oldest first.
- CAWLEY, ROBERT H IL2014-01-18 → cancelled 2026-03-10
- von Tobel, Barry J IN2026-06-09 active