Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1MHD callsign genealogy
Currently held by MENTUCK, MICHAEL 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 N1MHD's current licensee, walking backwards.
- MENTUCK, MICHAEL MMAgranted 2013-04-23cancelled 2015-06-02
Successor callsigns
Callsigns held now by people who previously held N1MHD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1MHD, oldest first.
- CONNOLLY, JOHN T MA1993-08-31 → cancelled 2005-09-01
- MENTUCK, MICHAEL M MA2025-04-25 active