Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6UFO callsign genealogy
Currently held by CHUA, VICENTE S
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 KF6UFO's current licensee, walking backwards.
- Joplin, Jerry ECOgranted 2025-02-26cancelled 2025-06-14
Successor callsigns
Callsigns held now by people who previously held KF6UFO.
- CHUA, VICENTE SCAgranted 1999-02-23cancelled 2011-02-24
All historical holders
Every license row we've seen with the callsign KF6UFO, oldest first.
- Joplin, Jerry E CO2025-06-14 active
- CHUA, VICENTE S— → cancelled 1999-02-23