Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4OYL callsign genealogy
Currently held by Barnett, Charlie 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 K4OYL's current licensee, walking backwards.
- Barnett, Charlie MALgranted 2015-11-18cancelled 2016-06-07
Successor callsigns
Callsigns held now by people who previously held K4OYL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4OYL, oldest first.
- DALTON, RAYMOND A NC1998-08-11 → cancelled 2010-08-12
- Barnett, Charlie M AL2016-06-07 active