Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0XMW callsign genealogy
Currently held by Williard, Michael
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 K0XMW's current licensee, walking backwards.
- WILLIARD, MICHAELAZgranted 2021-11-01cancelled 2022-04-12
Successor callsigns
Callsigns held now by people who previously held K0XMW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0XMW, oldest first.
- Williard, Michael AZ2006-12-27 → cancelled 2018-12-28
- WILLIARD, MICHAEL AZ2022-04-12 active