Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4BLX callsign genealogy
Currently held by Mayfield, Keith
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 K4BLX's current licensee, walking backwards.
- Mayfield, KeithGAgranted 2026-04-17cancelled 2026-06-13
Successor callsigns
Callsigns held now by people who previously held K4BLX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BLX, oldest first.
- WILSON, ROY B GA2004-08-31 → cancelled 2016-11-10
- Mayfield, Keith GA2026-06-13 active