Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1SGL callsign genealogy
Currently held by Smith, Richard K
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 N1SGL's current licensee, walking backwards.
- Smith, Richard KMEgranted 2010-10-08cancelled 2012-01-06
Successor callsigns
Callsigns held now by people who previously held N1SGL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SGL, oldest first.
- ERICKSON, BRADFORD M MA1997-03-03 → cancelled 2006-07-11
- Smith, Richard K ME2021-10-12 active