Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7DNC callsign genealogy
Currently held by Nelson Cooper, Diane
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 N7DNC's current licensee, walking backwards.
- Nelson Cooper, Diane CORgranted 2017-10-30cancelled 2017-11-18
Successor callsigns
Callsigns held now by people who previously held N7DNC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DNC, oldest first.
- BUTTS, THOMAS H AZ1993-09-07 → cancelled 2005-09-08
- Nelson Cooper, Diane OR2017-11-18 active