Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0VFO callsign genealogy
Currently held by Yowell, Curt P
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 KC0VFO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KC0VFO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0VFO, oldest first.
- Duehr, Terry N CO2005-10-05 → cancelled 2017-10-06
- Yowell, Curt P CO2018-09-18 active