Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MSH callsign genealogy
Currently held by CHAMBERLAIN, NEAL A
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 N7MSH's current licensee, walking backwards.
- Chamberlain, Brian SORgranted 2025-06-21cancelled 2025-08-09
Successor callsigns
Callsigns held now by people who previously held N7MSH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7MSH, oldest first.
- CHAMBERLAIN, NEAL A OR2011-03-30 → cancelled 2023-04-04
- Chamberlain, Brian S OR2025-08-09 active