Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5BUX callsign genealogy
Currently held by CIRULLI, CLAUDIO
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 N5BUX's current licensee, walking backwards.
- CIRULLI, CLAUDIOTXgranted 2009-07-07cancelled 2019-05-29
Successor callsigns
Callsigns held now by people who previously held N5BUX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5BUX, oldest first.
- SMITH, EVERET E AR1996-05-22 → cancelled 2008-05-23
- CIRULLI, CLAUDIO TX2019-05-29 active