Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1BRL callsign genealogy
Currently held by GABRIELSON, MARK J
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 KB1BRL's current licensee, walking backwards.
- GABRIELSON, MARK JMAgranted 2011-04-19cancelled 2011-05-07
Successor callsigns
Callsigns held now by people who previously held KB1BRL.
- WA1WAactiveWATERVILLE AREA WIRELESS ASSNMEgranted 2026-08-08