Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4UR callsign genealogy
Currently held by COWLEY, CARL C
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 KY4UR's current licensee, walking backwards.
- COWLEY, CARL CSCgranted 2023-01-19cancelled 2023-01-26
Successor callsigns
Callsigns held now by people who previously held KY4UR.
- COWLEY, CARL CUTgranted 2026-04-03