Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NM1M callsign genealogy
Currently held by Smith, Mark J
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 NM1M's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NM1M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NM1M, oldest first.
- HAYDEN, FREDERIC A ME2013-05-25 → cancelled 2025-07-15
- Smith, Mark J TN2025-08-12 active