Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8MTB callsign genealogy
Currently held by SMITH JR, BILLY F
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 K8MTB's current licensee, walking backwards.
- VAN WALSUM, SCOTT AMIgranted 2015-12-19cancelled 2019-11-16
Successor callsigns
Callsigns held now by people who previously held K8MTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8MTB, oldest first.
- SMITH JR, BILLY F AR1996-09-05 → cancelled 2008-09-06
- VAN WALSUM, SCOTT A MI2019-11-16 active