Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4GL callsign genealogy
Currently held by BROWN, MARCIA W
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 N4GL's current licensee, walking backwards.
- BROWN, MARCIA WFLgranted 2014-11-20cancelled 2019-03-09
Successor callsigns
Callsigns held now by people who previously held N4GL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4GL, oldest first.
- TREFTZ, WALTER H FL2007-12-28 → cancelled 2017-02-16
- BROWN, MARCIA W NC2019-03-09 active