Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1YYZ callsign genealogy
Currently held by Clukey, Michael D
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 W1YYZ's current licensee, walking backwards.
- Clukey, Michael DMEgranted 2015-11-18cancelled 2016-10-25
Successor callsigns
Callsigns held now by people who previously held W1YYZ.
No current licensee on record previously held this callsign.