Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4UEH callsign genealogy
Currently held by Helton, Richard 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 KF4UEH's current licensee, walking backwards.
- Helton, Richard LKYgranted 2009-01-03cancelled 2014-03-25
Successor callsigns
Callsigns held now by people who previously held KF4UEH.
- Helton, Richard LKYgranted 2009-01-03cancelled 2014-03-25
All historical holders
Every license row we've seen with the callsign KF4UEH, oldest first.
- Helton, Richard L KY2007-08-08 → cancelled 2009-01-03
- Helton, Richard L KY2024-03-26 active