Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7SN callsign genealogy
Currently held by SEAMAN, WILLIAM N
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 N7SN's current licensee, walking backwards.
- Humphries Jr, Len CIDgranted 2007-04-27cancelled 2015-04-14
Successor callsigns
Callsigns held now by people who previously held N7SN.
- Garrick, Ronald EMOgranted 2024-04-17
All historical holders
Every license row we've seen with the callsign N7SN, oldest first.
- SEAMAN, WILLIAM N WA1999-03-04 → cancelled 2011-03-05
- Garrick, Ronald E ID2011-03-25 → cancelled 2013-03-26
- HUMPHRIES JR, LEN C ID2025-04-10 active