Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4FB callsign genealogy
Currently held by Walton, James L
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 KZ4FB's current licensee, walking backwards.
- Walton, James LFLgranted 2021-11-23cancelled 2024-03-08
Successor callsigns
Callsigns held now by people who previously held KZ4FB.
No current licensee on record previously held this callsign.