Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1UJF callsign genealogy
Currently held by Murzycki, Michael R
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 KB1UJF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB1UJF.
No current licensee on record previously held this callsign.