Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RRB callsign genealogy
Currently held by Brady, Ryan
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 K9RRB's current licensee, walking backwards.
- Brady, RyanUTgranted 2021-03-17cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held K9RRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9RRB, oldest first.
- MUNSELL, CHARLES D MD1998-02-05 → cancelled 2010-02-06
- Brady, Ryan UT2021-04-06 active