Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB5R callsign genealogy
Currently held by WILLIAMS, BRIAN R
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 NB5R's current licensee, walking backwards.
- WILLIAMS, BRIAN RNMgranted 1994-10-18cancelled 2001-03-06
Successor callsigns
Callsigns held now by people who previously held NB5R.
- BUTLER, STEPHEN BTXgranted 2017-07-19
All historical holders
Every license row we've seen with the callsign NB5R, oldest first.
- WILLIAMS, BRIAN R NM2020-12-29 active
- BUTLER, STEPHEN B— → cancelled 1997-08-26