Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3XTX callsign genealogy
Currently held by Duckworth, William 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 K3XTX's current licensee, walking backwards.
- Duckworth, William AMDgranted 2001-09-11cancelled 2011-02-01
Successor callsigns
Callsigns held now by people who previously held K3XTX.
- Duckworth, William AMDgranted 2023-06-09