Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4UOL callsign genealogy
Currently held by Brown, Richard 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 K4UOL's current licensee, walking backwards.
- KD4CLQcancelledcancelled 1999-02-23
Successor callsigns
Callsigns held now by people who previously held K4UOL.
No current licensee on record previously held this callsign.