Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5RIO callsign genealogy
Currently held by Aldridge Jr, Thomas 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 N5RIO's current licensee, walking backwards.
- Aldridge Jr, Thomas JLAgranted 2015-09-10cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held N5RIO.
- WILLIAMS, NORMAN WTXgranted 2018-08-15
All historical holders
Every license row we've seen with the callsign N5RIO, oldest first.
- Aldridge Jr, Thomas J LA2026-04-02 active
- —— → cancelled 1998-11-02