Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7DRS callsign genealogy
Currently held by Seegmiller, Douglas 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 N7DRS's current licensee, walking backwards.
- Seegmiller, Douglas RWAgranted 2012-03-02cancelled 2012-03-27
Successor callsigns
Callsigns held now by people who previously held N7DRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DRS, oldest first.
- BUTTNER, DWAIN M WA1995-04-05 → cancelled 2007-04-06
- Seegmiller, Douglas R WA2022-02-22 active