Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ROY callsign genealogy
Currently held by Harding, Roy
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 K0ROY's current licensee, walking backwards.
- Harding, RoyKYgranted 2024-10-01cancelled 2024-11-30
Successor callsigns
Callsigns held now by people who previously held K0ROY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ROY, oldest first.
- NICKUM, ROY E SD2009-07-30 → cancelled 2021-10-27
- Harding, Roy KY2024-11-30 active