Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BTT callsign genealogy
Currently held by TELFORD, BRIAN 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 K7BTT's current licensee, walking backwards.
- TELFORD, BRIAN LUTgranted 2024-03-12cancelled 2024-04-12
Successor callsigns
Callsigns held now by people who previously held K7BTT.
No current licensee on record previously held this callsign.