Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9SMM callsign genealogy
Currently held by MAH, CHRISTOPHER
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 N9SMM's current licensee, walking backwards.
- Minando, StephenFLgranted 2024-02-13cancelled 2024-03-05
Successor callsigns
Callsigns held now by people who previously held N9SMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9SMM, oldest first.
- MAH, CHRISTOPHER IL2003-02-05 → cancelled 2015-03-03
- Minando, Stephen FL2024-03-05 active