Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MBR callsign genealogy
Currently held by WELLS, RANDALL A
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 K5MBR's current licensee, walking backwards.
- Riddle, BrandonOKgranted 2025-12-30cancelled 2026-01-21
Successor callsigns
Callsigns held now by people who previously held K5MBR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5MBR, oldest first.
- WELLS, RANDALL A NM2011-04-22 → cancelled 2023-04-25
- Riddle, Brandon OK2026-01-21 active