Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0YZM callsign genealogy
Currently held by HILL, JAMES V
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 W0YZM's current licensee, walking backwards.
- Hill, Michael JMNgranted 2003-01-07cancelled 2003-03-21
Successor callsigns
Callsigns held now by people who previously held W0YZM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0YZM, oldest first.
- HILL, JAMES V WI1993-04-20 → cancelled 1997-12-22
- HILL, MICHAEL J MN2023-01-14 active