Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4BYL callsign genealogy
Currently held by McCarty Sr, Thomas M
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 W4BYL's current licensee, walking backwards.
- Berry, TylerALgranted 2026-06-04cancelled 2026-06-26
Successor callsigns
Callsigns held now by people who previously held W4BYL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4BYL, oldest first.
- CAWTHON, WILLIAM H GA1995-06-29 → cancelled 2007-07-01
- McCarty Sr, Thomas M FL2012-01-24 → cancelled 2024-01-25
- Berry, Tyler AL2026-06-26 active