Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5MBT callsign genealogy
Currently held by WARREN, SCOTT L
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 WB5MBT's current licensee, walking backwards.
- Warren, ScottOKgranted 2007-08-16cancelled 2007-10-12
Successor callsigns
Callsigns held now by people who previously held WB5MBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5MBT, oldest first.
- WARREN, SCOTT L OK1987-11-24 → cancelled 1999-11-25
- WARREN, SCOTT L OK2017-08-22 active