Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8WPM callsign genealogy
Currently held by Mayfield, William P
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 W8WPM's current licensee, walking backwards.
- Millard, William PMIgranted 2024-03-15cancelled 2024-04-02
Successor callsigns
Callsigns held now by people who previously held W8WPM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8WPM, oldest first.
- Mayfield, William P OH2007-04-06 → cancelled 2019-04-09
- Millard, William P MI2024-04-02 active