Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DUR callsign genealogy
Currently held by NELSON, DAVID B
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 K7DUR's current licensee, walking backwards.
- NELSON, DAVID BWAgranted 2008-10-30cancelled 2018-02-21
Successor callsigns
Callsigns held now by people who previously held K7DUR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DUR, oldest first.
- NELSON, KEITH B WA1994-07-07 → cancelled 2006-07-08
- NELSON, DAVID B WA2018-02-21 active