Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5YQL callsign genealogy
Currently held by CASAVANTES, LOUIS
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 K5YQL's current licensee, walking backwards.
- Hardcastle, Richard ROKgranted 2010-08-10cancelled 2016-07-01
Successor callsigns
Callsigns held now by people who previously held K5YQL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5YQL, oldest first.
- CASAVANTES, LOUIS TX1995-08-22 → cancelled 2007-08-23
- Hardcastle Mr, Richard R OK2016-07-01 active