Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN9O callsign genealogy
Currently held by TENNISON, JESSE W
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 KN9O's current licensee, walking backwards.
- Dupont, Jacques MILgranted 2012-09-14cancelled 2013-04-19
Successor callsigns
Callsigns held now by people who previously held KN9O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN9O, oldest first.
- TENNISON, JESSE W IL1997-02-10 → cancelled 2009-02-11
- Dupont, Jacques M IL2023-05-18 active