Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6MUH callsign genealogy
Currently held by RUZYLO, MICHAEL
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 WB6MUH's current licensee, walking backwards.
- RUZYLO, MICHAELCAgranted 2006-04-26cancelled 2015-10-27
Successor callsigns
Callsigns held now by people who previously held WB6MUH.
No current licensee on record previously held this callsign.