Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3UBI callsign genealogy
Currently held by Sabo, Kevin 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 W3UBI's current licensee, walking backwards.
- Sabo, Kevin MPAgranted 2020-09-24cancelled 2020-10-16
Successor callsigns
Callsigns held now by people who previously held W3UBI.
No current licensee on record previously held this callsign.