Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JAK callsign genealogy
Currently held by GLADIN JR, PRESTON B
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 N4JAK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4JAK.
- Joseph, Jack ENCgranted 2023-12-27
All historical holders
Every license row we've seen with the callsign N4JAK, oldest first.
- GLADIN JR, PRESTON B GA2008-10-21 → cancelled 2020-11-18
- Joseph, Jack NC2020-12-19 → cancelled 2023-12-27