Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CBU callsign genealogy
Currently held by Buckley, J Matthew
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 K6CBU's current licensee, walking backwards.
- Buckley, J MatthewORgranted 2020-03-23cancelled 2020-04-14
Successor callsigns
Callsigns held now by people who previously held K6CBU.
No current licensee on record previously held this callsign.