Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ0NNY callsign genealogy
Currently held by Tirado II, Johnny
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 KJ0NNY's current licensee, walking backwards.
- DOLAN, JONCOgranted 2024-05-22cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KJ0NNY.
- Tirado II, JohnnyCTgranted 2018-11-24cancelled 2021-01-22
All historical holders
Every license row we've seen with the callsign KJ0NNY, oldest first.
- Tirado II, Johnny CT2018-09-11 → cancelled 2018-11-24
- DOLAN, Jon CO2025-12-09 active