Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MHC callsign genealogy
Currently held by Nemmers, Sylvester N
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 W0MHC's current licensee, walking backwards.
- Nemmers, Sylvia JIAgranted 2025-09-04cancelled 2025-09-23
Successor callsigns
Callsigns held now by people who previously held W0MHC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MHC, oldest first.
- Nemmers, Sylvester N IA2003-12-30 → cancelled 2016-03-16
- Nemmers, Sylvia J IA2025-09-23 active