Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3RDG callsign genealogy
Currently held by Sagner, Dennis C
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 N3RDG's current licensee, walking backwards.
- Greene Jr, Robert DPAgranted 2014-09-24cancelled 2018-01-17
Successor callsigns
Callsigns held now by people who previously held N3RDG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3RDG, oldest first.
- Sagner, Dennis C MD2005-12-14 → cancelled 2017-12-15
- Greene Jr, Robert D PA2018-01-17 active