Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DG callsign genealogy
Currently held by GREENWOOD, DONALD R
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 N7DG's current licensee, walking backwards.
- Garber, DavidPAgranted 2013-03-01cancelled 2015-06-23
Successor callsigns
Callsigns held now by people who previously held N7DG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DG, oldest first.
- GREENWOOD, DONALD R OR2006-02-07 → cancelled 2013-06-02
- Garber, David MT2025-06-10 active