Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9KOP callsign genealogy
Currently held by THURSTON, CAMERON J
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 N9KOP's current licensee, walking backwards.
- THURSTON, CAMERON JMIgranted 2020-06-10cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held N9KOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KOP, oldest first.
- CUNNINGHAM, JOHN A IL2000-11-16 → cancelled 2013-02-13
- THURSTON, CAMERON J MI2020-06-30 active