Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4RCA callsign genealogy
Currently held by Allison, Ronald 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 KB4RCA's current licensee, walking backwards.
- Allison, Ronald CTXgranted 2016-01-20cancelled 2016-02-09
Successor callsigns
Callsigns held now by people who previously held KB4RCA.
No current licensee on record previously held this callsign.