Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RJZ callsign genealogy
Currently held by BELTER, RICHARD A
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 K9RJZ's current licensee, walking backwards.
- SWENSEN, RYANUTgranted 2020-05-12cancelled 2020-07-21
Successor callsigns
Callsigns held now by people who previously held K9RJZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9RJZ, oldest first.
- BELTER, RICHARD A IL2008-02-15 → cancelled 2020-05-12
- SWENSEN, RYAN UT2020-07-21 active