Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5YWL callsign genealogy
Currently held by Willis, Michael S
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 W5YWL's current licensee, walking backwards.
- Willis, Michael STNgranted 2006-08-31cancelled 2012-12-14
Successor callsigns
Callsigns held now by people who previously held W5YWL.
No current licensee on record previously held this callsign.