Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4YN callsign genealogy
Currently held by Murawski Jr, John 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 KW4YN's current licensee, walking backwards.
- Murawski Jr, John JFLgranted 2015-10-22cancelled 2016-10-06
Successor callsigns
Callsigns held now by people who previously held KW4YN.
No current licensee on record previously held this callsign.