Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5UBS callsign genealogy
Currently held by HOYT, MATTHEW D
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 K5UBS's current licensee, walking backwards.
- HOYT, MATTHEW DAKgranted 2008-11-25cancelled 2018-11-14
Successor callsigns
Callsigns held now by people who previously held K5UBS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5UBS, oldest first.
- Hoyt III, Oscar A TX2014-08-14 → cancelled 2018-04-05
- HOYT, MATTHEW D TX2018-11-14 active