Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6CBE callsign genealogy
Currently held by MAC DONALD, JOHN F
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 K6CBE's current licensee, walking backwards.
- Barnett, AdamCAgranted 2021-09-20cancelled 2021-10-08
Successor callsigns
Callsigns held now by people who previously held K6CBE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6CBE, oldest first.
- MAC DONALD, JOHN F CA2006-12-12 → cancelled 2018-12-13
- Barnett, Adam CA2021-10-08 active