Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4OKT callsign genealogy
Currently held by Green, Dennis G
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 N4OKT's current licensee, walking backwards.
- Green, Dennis GOHgranted 2018-07-23cancelled 2018-08-10
Successor callsigns
Callsigns held now by people who previously held N4OKT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4OKT, oldest first.
- GREEN, DENNIS G OH2006-05-02 → cancelled 2018-05-09
- Green, Dennis G OH2018-08-10 active