Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1BUC callsign genealogy
Currently held by Mahoney, Brian
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 K1BUC's current licensee, walking backwards.
- Mahoney, BrianMAgranted 2022-04-06cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held K1BUC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1BUC, oldest first.
- Davis, Donald E ME2007-09-11 → cancelled 2019-11-07
- Mahoney, Brian MA2022-04-26 active