Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7GWX callsign genealogy
Currently held by CALLEY, DOUGLAS E
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 K7GWX's current licensee, walking backwards.
- WELCH, GREGORY MMNgranted 2018-05-09cancelled 2018-05-30
Successor callsigns
Callsigns held now by people who previously held K7GWX.
- WELCH, GREGORY MMNgranted 2023-03-25
All historical holders
Every license row we've seen with the callsign K7GWX, oldest first.
- CALLEY, DOUGLAS E CA1997-06-26 → cancelled 2009-06-27
- WELCH, GREGORY M MN2018-05-30 → cancelled 2023-03-25