Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1YZX callsign genealogy
Currently held by Duthie, William
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 WA1YZX's current licensee, walking backwards.
- Duthie, WilliamMAgranted 2025-11-21cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held WA1YZX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA1YZX, oldest first.
- HALL, EDWARD F MA2002-03-20 → cancelled 2014-06-03
- Duthie, William MA2025-12-09 active