Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3BTK callsign genealogy
Currently held by Koenigsmark, Brian 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 K3BTK's current licensee, walking backwards.
- Koenigsmark, Brian TMDgranted 2002-07-29cancelled 2007-05-08
Successor callsigns
Callsigns held now by people who previously held K3BTK.
No current licensee on record previously held this callsign.