Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4RT callsign genealogy
Currently held by Kifer, Stephen 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 KX4RT's current licensee, walking backwards.
- Kifer, Stephen RVAgranted 2019-04-10cancelled 2019-05-08
Successor callsigns
Callsigns held now by people who previously held KX4RT.
No current licensee on record previously held this callsign.