Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4MZO callsign genealogy
Currently held by Wolfe Jr, Sam 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 KN4MZO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KN4MZO.
- Wolfe Jr, Sam AFLgranted 2021-09-10