Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DWC callsign genealogy
Currently held by Cox, David W
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 K7DWC's current licensee, walking backwards.
- Cox, David WAZgranted 2020-06-01cancelled 2026-08-01
Successor callsigns
Callsigns held now by people who previously held K7DWC.
- Cox, David WAZgranted 2020-06-01cancelled 2026-08-01
All historical holders
Every license row we've seen with the callsign K7DWC, oldest first.
- Cox, David W AZ2015-02-24 → cancelled 2020-06-01
- Cox, David W AZ2026-08-01 active