Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM1H callsign genealogy
Currently held by MILLER, MARY E
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 WM1H's current licensee, walking backwards.
- Cates Sr, Timothy ANHgranted 2021-12-06cancelled 2025-06-07
Successor callsigns
Callsigns held now by people who previously held WM1H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WM1H, oldest first.
- MILLER, MARY E NH2000-07-26 → cancelled 2012-10-17
- Himmerich, William M CA2013-03-05 → cancelled 2025-03-06
- Cates Sr, Timothy A NH2025-06-07 active