Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1RJB callsign genealogy
Currently held by Begin, Randall 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 KC1RJB's current licensee, walking backwards.
- Begin, Randall JMEgranted 2016-11-14cancelled 2016-12-30
Successor callsigns
Callsigns held now by people who previously held KC1RJB.
No current licensee on record previously held this callsign.