Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GLA callsign genealogy
Currently held by Johnsen, Nicholas S
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 K4GLA's current licensee, walking backwards.
- Johnsen, Nicholas SINgranted 2024-05-02cancelled 2024-11-09
Successor callsigns
Callsigns held now by people who previously held K4GLA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GLA, oldest first.
- CASWELL PERSON AMATEUR RADIO SOC NC2007-11-20 → cancelled 2019-12-04
- Johnsen, Nicholas S IN2024-11-09 active