Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4WTN callsign genealogy
Currently held by Proehl, Darrin 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 N4WTN's current licensee, walking backwards.
- Butler, HowardTNgranted 2024-08-06cancelled 2024-08-27
Successor callsigns
Callsigns held now by people who previously held N4WTN.
- Proehl, Darrin RVAgranted 2020-09-18cancelled 2024-12-06
All historical holders
Every license row we've seen with the callsign N4WTN, oldest first.
- Proehl, Darrin R VA2011-08-10 → cancelled 2020-09-18
- Butler, Howard TN2024-08-27 active