Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4A callsign genealogy
Currently held by Walker, Larry A
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 KW4A's current licensee, walking backwards.
- Clopton, Shannon TKYgranted 2018-03-13cancelled 2024-06-04
Successor callsigns
Callsigns held now by people who previously held KW4A.
- BRABHAM SR, JACK ENMgranted 2020-07-10cancelled 2025-07-01
All historical holders
Every license row we've seen with the callsign KW4A, oldest first.
- BRABHAM SR, JACK E GA2000-02-29 → cancelled 2000-04-25
- Walker, Larry A TN2012-03-06 → cancelled 2024-05-15
- Clopton, Shannon T KY2024-06-04 active