Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX5ONE callsign genealogy
Currently held by Knobelsdorf, Kevin
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 KX5ONE's current licensee, walking backwards.
- Knobelsdorf, KevinWAgranted 2015-02-06cancelled 2015-03-17
Successor callsigns
Callsigns held now by people who previously held KX5ONE.
No current licensee on record previously held this callsign.