Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7DWO callsign genealogy
Currently held by Birkman, Bryce L
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 K7DWO's current licensee, walking backwards.
- Birkman, Bryce LCAgranted 2010-06-10cancelled 2010-08-10
Successor callsigns
Callsigns held now by people who previously held K7DWO.
No current licensee on record previously held this callsign.