Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4TNT callsign genealogy
Currently held by Russell Sr, Timothy M
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 KR4TNT's current licensee, walking backwards.
- Russell Sr, Timothy MALgranted 2023-09-09cancelled 2023-09-29
Successor callsigns
Callsigns held now by people who previously held KR4TNT.
- Wolff, Samuel AGAgranted 2018-04-24
All historical holders
Every license row we've seen with the callsign KR4TNT, oldest first.
- Wolff, Samuel A GA2015-09-29 → cancelled 2018-04-24
- Russell Sr, Timothy M AL2023-09-29 active