Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MMH callsign genealogy
Currently held by Mary Hobart Memorial Amateur Radio Club
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 K1MMH's current licensee, walking backwards.
- KC1BNCcancelledMAPP Experimenter's ClubCTgranted 2014-04-01cancelled 2022-08-27
Successor callsigns
Callsigns held now by people who previously held K1MMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1MMH, oldest first.
- Hobart, Mary M PA2012-03-02 → cancelled 2021-12-12
- Mary Hobart Memorial Amateur Radio Club CT2022-08-27 active