Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JJE callsign genealogy
Currently held by Ellsworth, Joshua
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 K0JJE's current licensee, walking backwards.
- Ellsworth, JoshuaCOgranted 2023-11-14cancelled 2023-12-15
Successor callsigns
Callsigns held now by people who previously held K0JJE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0JJE, oldest first.
- THOMAS, DONALD C AZ1987-09-15 → cancelled 1999-09-16
- Ellsworth, Joshua CO2023-12-15 active