Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4UFL callsign genealogy
Currently held by Baker, Alan D
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 K4UFL's current licensee, walking backwards.
- Baker, Alan DFLgranted 2019-09-20cancelled 2019-10-12
Successor callsigns
Callsigns held now by people who previously held K4UFL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4UFL, oldest first.
- Holmes, Timothy R AL2006-12-01 → cancelled 2018-12-04
- Baker, Alan D FL2019-10-12 active