Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0BTK callsign genealogy
Currently held by Klassen, Bryan T
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 K0BTK's current licensee, walking backwards.
- Klassen, Bryan TMNgranted 2018-11-16cancelled 2018-12-04
Successor callsigns
Callsigns held now by people who previously held K0BTK.
No current licensee on record previously held this callsign.