Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF8AZM callsign genealogy
Currently held by Koszyk, Stephen A
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 KF8AZM's current licensee, walking backwards.
- Koszyk, Stephen AMIgranted 2024-03-06cancelled 2024-04-22
Successor callsigns
Callsigns held now by people who previously held KF8AZM.
- Koszyk, Stephen AMIgranted 2026-09-09