Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4AUB callsign genealogy
Currently held by Buchanan, William C
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 KW4AUB's current licensee, walking backwards.
- Buchanan, William CNCgranted 2025-03-29cancelled 2025-09-16
Successor callsigns
Callsigns held now by people who previously held KW4AUB.
- Washington, Kyle HALgranted 2024-10-17
All historical holders
Every license row we've seen with the callsign KW4AUB, oldest first.
- Washington, Kyle H AL2013-05-31 → cancelled 2013-11-06
- Buchanan, William C NC2025-09-16 active