Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6BTM callsign genealogy
Currently held by MAC DONOUGH, BRENT 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 K6BTM's current licensee, walking backwards.
- MAC DONOUGH, BRENT TCAgranted 2005-01-05cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held K6BTM.
No current licensee on record previously held this callsign.