Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8DON callsign genealogy
Currently held by HUMPHREY, DONALD M
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 W8DON's current licensee, walking backwards.
- Humphrey, Donald MOHgranted 2022-07-19cancelled 2022-08-16
Successor callsigns
Callsigns held now by people who previously held W8DON.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8DON, oldest first.
- Walker, David R MI2007-10-26 → cancelled 2020-01-24
- HUMPHREY, DONALD M OH2022-08-16 active