Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RLG callsign genealogy
Currently held by ST CLAIR, MATTHEW
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 N4RLG's current licensee, walking backwards.
- GROSSL, RONALD LKYgranted 2006-01-19cancelled 2014-02-19
Successor callsigns
Callsigns held now by people who previously held N4RLG.
- GROSSL, RONALD LKYgranted 2019-11-26
All historical holders
Every license row we've seen with the callsign N4RLG, oldest first.
- ST CLAIR, MATTHEW FL1997-06-23 → cancelled 2009-06-24
- GROSSL, RONALD L KY2014-02-19 → cancelled 2019-11-26