Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8MTM callsign genealogy
Currently held by COEN SR, JOHN W
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 N8MTM's current licensee, walking backwards.
- Muster, Marcus TOHgranted 2024-02-06cancelled 2024-05-07
Successor callsigns
Callsigns held now by people who previously held N8MTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8MTM, oldest first.
- COEN SR, JOHN W WV2011-01-03 → cancelled 2023-01-04
- Muster, Marcus T OH2024-05-07 active