Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1BK callsign genealogy
Currently held by Killeavy, William 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 KB1BK's current licensee, walking backwards.
- Killeavy, William JRIgranted 2012-10-16cancelled 2012-12-11
Successor callsigns
Callsigns held now by people who previously held KB1BK.
No current licensee on record previously held this callsign.