Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1MD callsign genealogy
Currently held by THERRIEN, MICHAEL L
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 N1MD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1MD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1MD, oldest first.
- THERRIEN, MICHAEL L CT2016-08-10 → cancelled 2024-12-01
- Seabees Radio Ops Association CT2025-01-14 active