Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0OWL callsign genealogy
Currently held by SIMMONS, JAMES E
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 K0OWL's current licensee, walking backwards.
- Mitev, EmilCAgranted 2019-12-19cancelled 2020-01-14
Successor callsigns
Callsigns held now by people who previously held K0OWL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0OWL, oldest first.
- SIMMONS, JAMES E MN2007-07-11 → cancelled 2019-10-08
- Mitev, Emil CA2020-01-14 active