Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7GSP callsign genealogy
Currently held by CHAMBERLAIN, STEPHEN P
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 N7GSP's current licensee, walking backwards.
- Paulus, George SORgranted 2015-10-20cancelled 2016-02-12
Successor callsigns
Callsigns held now by people who previously held N7GSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7GSP, oldest first.
- CHAMBERLAIN, STEPHEN P OR1994-07-14 → cancelled 2006-07-15
- Paulus, George S OR2026-04-29 active