Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4DHG callsign genealogy
Currently held by Greene, David H
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 N4DHG's current licensee, walking backwards.
- GREENE, DAVID HNCgranted 2016-02-29cancelled 2017-06-06
Successor callsigns
Callsigns held now by people who previously held N4DHG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DHG, oldest first.
- HASSLER, KARL A FL1996-06-04 → cancelled 2008-06-05
- Greene, David H NC2017-06-06 active