Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BTW callsign genealogy
Currently held by Welch, Benjamin
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 N4BTW's current licensee, walking backwards.
- Welch, BenjaminKYgranted 2015-02-12cancelled 2016-05-24
Successor callsigns
Callsigns held now by people who previously held N4BTW.
No current licensee on record previously held this callsign.