Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5BAC callsign genealogy
Currently held by LYONS, LEONARD H
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 W5BAC's current licensee, walking backwards.
- Crecelius, Brandon AORgranted 2014-03-19cancelled 2015-12-15
Successor callsigns
Callsigns held now by people who previously held W5BAC.
All historical holders
Every license row we've seen with the callsign W5BAC, oldest first.
- LYONS, LEONARD H LA1994-08-11 → cancelled 2006-08-12
- Bacon, Troy E TX2007-02-24 → cancelled 2007-05-11
- Cosman, Bruce A OK2010-03-16 → cancelled 2010-04-16
- Crecelius, Brandon A OR2015-12-15 active