Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WK4A callsign genealogy
Currently held by Horne, Jason D
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 WK4A's current licensee, walking backwards.
- Horne, Jason DNCgranted 2017-12-20cancelled 2023-07-28
Successor callsigns
Callsigns held now by people who previously held WK4A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WK4A, oldest first.
- Young Jr, William P FL2011-04-20 → cancelled 2023-07-12
- Horne, Jason D NC2023-07-28 active