Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1BJC callsign genealogy
Currently held by Colonga, Benjamin 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 K1BJC's current licensee, walking backwards.
- Colonga, Benjamin JMNgranted 2021-03-10cancelled 2021-03-30
Successor callsigns
Callsigns held now by people who previously held K1BJC.
No current licensee on record previously held this callsign.