Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0BUZ callsign genealogy
Currently held by Murphy, Michael
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 N0BUZ's current licensee, walking backwards.
- Murphy, MichaelFLgranted 2023-01-20cancelled 2025-03-14
Successor callsigns
Callsigns held now by people who previously held N0BUZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0BUZ, oldest first.
- WATSON, DERYL W MN2004-09-18 → cancelled 2016-12-09
- Murphy, Michael FL2025-03-14 active