Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY5U callsign genealogy
Currently held by Young Jr, Charles 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 KY5U's current licensee, walking backwards.
- Young Jr, Charles LMSgranted 2003-02-24cancelled 2008-01-01
Successor callsigns
Callsigns held now by people who previously held KY5U.
- W5MLTexpiredDillo-DX ClubTXgranted 2005-08-02cancelled 2017-08-03
All historical holders
Every license row we've seen with the callsign KY5U, oldest first.
- Dillo-DX Club TX2003-06-17 → cancelled 2005-08-02
- Young Jr, Charles L FL2017-10-17 active