Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5UOI callsign genealogy
Currently held by Orr Sr, Larry G
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 K5UOI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K5UOI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5UOI, oldest first.
- Orr Sr, Larry G TX1996-02-21 → cancelled 2008-02-22
- Orr Sr, Larry G TX2018-10-10 active