Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5BYU callsign genealogy
Currently held by Willden, Eric 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 K5BYU's current licensee, walking backwards.
- Willden, Eric JTXgranted 2006-03-06cancelled 2006-03-31
Successor callsigns
Callsigns held now by people who previously held K5BYU.
No current licensee on record previously held this callsign.