Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7SM callsign genealogy
Currently held by MICHAELSON, RUSSELL S
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 N7SM's current licensee, walking backwards.
- Archer, Alexander RWAgranted 2013-09-04cancelled 2021-09-08
Successor callsigns
Callsigns held now by people who previously held N7SM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7SM, oldest first.
- MICHAELSON, RUSSELL S NE2010-03-12 → cancelled 2019-08-18
- Archer, Alexander R WA2021-09-08 active