Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4RW callsign genealogy
Currently held by Walls Jr, Rudy
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 KN4RW's current licensee, walking backwards.
- Walls Jr, RudyNCgranted 2013-08-22cancelled 2018-07-14
Successor callsigns
Callsigns held now by people who previously held KN4RW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4RW, oldest first.
- PROTZ, RICK A VA1991-01-15 → cancelled 2003-01-16
- Walls Jr, Rudy NC2018-07-14 active