Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0TMH callsign genealogy
Currently held by HILLMAN, TIMOTHY 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 N0TMH's current licensee, walking backwards.
- Hillman, Timothy MMOgranted 2020-05-15cancelled 2021-03-30
Successor callsigns
Callsigns held now by people who previously held N0TMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0TMH, oldest first.
- DARR, RALPH C CO2002-05-06 → cancelled 2014-07-22
- HILLMAN, TIMOTHY M MO2021-03-30 active