Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4RV callsign genealogy
Currently held by Madsen, Scott E
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 KX4RV's current licensee, walking backwards.
- Madsen, Scott EVAgranted 2019-04-03cancelled 2019-05-13
Successor callsigns
Callsigns held now by people who previously held KX4RV.
- Madsen, Scott EVAgranted 2020-02-11