Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4AAA callsign genealogy
Currently held by MURILLO, YLDELISA
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 KB4AAA's current licensee, walking backwards.
- Barker, Billy JKYgranted 2015-03-23cancelled 2015-04-17
Successor callsigns
Callsigns held now by people who previously held KB4AAA.
- SMITH, EDWARD LNCgranted 2011-01-11cancelled 2015-06-26
All historical holders
Every license row we've seen with the callsign KB4AAA, oldest first.
- MURILLO, YLDELISA FL1999-02-03 → cancelled 2002-06-03
- SMITH, EDWARD L NC2009-06-26 → cancelled 2011-01-11
- Barker, Billy J KY2025-04-19 active