Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6HD callsign genealogy
Currently held by Greenhut, 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 N6HD's current licensee, walking backwards.
- Greenhut, David HCAgranted 2005-11-29cancelled 2007-02-21
Successor callsigns
Callsigns held now by people who previously held N6HD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6HD, oldest first.
- THOMAS, DOYLE W CA1996-04-26 → cancelled 2004-09-29
- Greenhut, David H CA2016-12-08 active