Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5UBU callsign genealogy
Currently held by Spinosa, Joseph M
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 K5UBU's current licensee, walking backwards.
- Spinosa, Joseph MMSgranted 2023-10-11cancelled 2023-10-31
Successor callsigns
Callsigns held now by people who previously held K5UBU.
No current licensee on record previously held this callsign.