Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM0S callsign genealogy
Currently held by WEBER JR, JOHN H
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 WM0S's current licensee, walking backwards.
- Seigel, Lyle EWVgranted 2016-04-19cancelled 2016-09-24
Successor callsigns
Callsigns held now by people who previously held WM0S.
- WEBER JR, JOHN HWIgranted 2024-06-07
All historical holders
Every license row we've seen with the callsign WM0S, oldest first.
- WEBER JR, JOHN H WI2008-01-23 → cancelled 2014-09-03
- Seigel, Lyle E WV2026-07-08 active