Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN0R callsign genealogy
Currently held by Nelson, Ron 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 KN0R's current licensee, walking backwards.
- Nelson, Ron MIAgranted 2002-12-12cancelled 2003-03-08
Successor callsigns
Callsigns held now by people who previously held KN0R.
- ERBY, DUANE WTXgranted 2021-11-03
All historical holders
Every license row we've seen with the callsign KN0R, oldest first.
- ERBY, DUANE W VA1990-09-11 → cancelled 2001-01-17
- Nelson, Ron M IA2023-02-03 active