Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3CBI callsign genealogy
Currently held by Mullen, William G
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 K3CBI's current licensee, walking backwards.
- Mullen, William GNJgranted 2015-04-24cancelled 2020-11-10
Successor callsigns
Callsigns held now by people who previously held K3CBI.
No current licensee on record previously held this callsign.