Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1RBI callsign genealogy
Currently held by Kirby, James C
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 K1RBI's current licensee, walking backwards.
- Kirby, James CNCgranted 2020-02-19cancelled 2020-03-20
Successor callsigns
Callsigns held now by people who previously held K1RBI.
No current licensee on record previously held this callsign.