Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4GLL callsign genealogy
Currently held by MULLIS, JOHN A
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 N4GLL's current licensee, walking backwards.
- LAMBERT, GARY LALgranted 2005-06-14cancelled 2010-03-12
Successor callsigns
Callsigns held now by people who previously held N4GLL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4GLL, oldest first.
- MULLIS, JOHN A TN1991-04-09 → cancelled 2003-04-10
- LAMBERT, GARY L AL2019-12-28 active