Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1SMO callsign genealogy
Currently held by Mitchell, Alyason B
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 N1SMO's current licensee, walking backwards.
- Mitchell, Alyason BWAgranted 2007-10-17cancelled 2016-05-21
Successor callsigns
Callsigns held now by people who previously held N1SMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SMO, oldest first.
- WALKER, DAVID B MA1994-07-14 → cancelled 2006-07-15
- Mitchell, Alyason B WA2026-05-19 active