Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ9L callsign genealogy
Currently held by Tentoni, Stuart 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 KJ9L's current licensee, walking backwards.
- Tentoni, Stuart CWIgranted 2024-12-04cancelled 2025-02-19
Successor callsigns
Callsigns held now by people who previously held KJ9L.
- KINGSMAN, JACKWAgranted 2023-01-21
All historical holders
Every license row we've seen with the callsign KJ9L, oldest first.
- FISHKIN, SEYMOUR FL2010-11-23 → cancelled 2022-12-06
- KINGSMAN, JACK CA2022-12-31 → cancelled 2023-01-21
- Tentoni, Stuart C WI2025-02-19 active