Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8NOP callsign genealogy
Currently held by Sturgeon, Joseph C
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 K8NOP's current licensee, walking backwards.
- Sturgeon, Joseph COHgranted 2007-03-07cancelled 2009-11-03
Successor callsigns
Callsigns held now by people who previously held K8NOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8NOP, oldest first.
- BUTLER, FRED W MI1991-04-09 → cancelled 2003-04-10
- Sturgeon, Joseph C OH2019-08-07 active