Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SBG callsign genealogy
Currently held by Brown, Colin M
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 K7SBG's current licensee, walking backwards.
- Brown, Colin MWAgranted 2025-05-17cancelled 2025-06-21
Successor callsigns
Callsigns held now by people who previously held K7SBG.
- Grigsby, Scott BAZgranted 2019-09-10
All historical holders
Every license row we've seen with the callsign K7SBG, oldest first.
- Grigsby, Scott B AZ2014-05-23 → cancelled 2019-09-10
- Brown, Colin M WA2025-06-21 active