Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1UA callsign genealogy
Currently held by Proctor, Keith L
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 K1UA's current licensee, walking backwards.
- Proctor, Keith LCTgranted 2018-08-03cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held K1UA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1UA, oldest first.
- CHESLER, JAY K MA2006-08-16 → cancelled 2018-11-06
- Proctor, Keith L CT2018-11-24 active