Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9QZA callsign genealogy
Currently held by CLODFELTER, JACKSON 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 N9QZA's current licensee, walking backwards.
- KNOWLES, JASON MINgranted 2023-01-07cancelled 2023-02-04
Successor callsigns
Callsigns held now by people who previously held N9QZA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9QZA, oldest first.
- CLODFELTER, JACKSON M IL2003-05-29 → cancelled 2005-01-18
- R A D I O IL2010-09-18 → cancelled 2022-09-20
- KNOWLES, JASON M IL2023-02-04 active