Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BUU callsign genealogy
Currently held by MINKEL, MERLIN S
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 K4BUU's current licensee, walking backwards.
- Morrelli, Shannon ACAgranted 2006-06-14cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held K4BUU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BUU, oldest first.
- MINKEL, MERLIN S MD1996-11-26 → cancelled 1996-10-15
- Morrelli, Shannon A TX2018-03-13 active