Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0PW callsign genealogy
Currently held by HILLIARD, DONALD L
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 W0PW's current licensee, walking backwards.
- Renner, Michael WILgranted 2022-03-02cancelled 2022-05-27
Successor callsigns
Callsigns held now by people who previously held W0PW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0PW, oldest first.
- HILLIARD, DONALD L OK2010-04-14 → cancelled 2022-05-10
- Renner, Michael W IL2022-05-27 active