Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7QO callsign genealogy
Currently held by ADAMS, CHARLES N
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 K7QO's current licensee, walking backwards.
- Gentz, Raymond LWAgranted 2022-12-06cancelled 2024-02-03
Successor callsigns
Callsigns held now by people who previously held K7QO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7QO, oldest first.
- ADAMS, CHARLES N AZ2019-05-21 → cancelled 2022-01-14
- Gentz, Raymond L WA2024-02-03 active