Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CMT callsign genealogy
Currently held by Bigfork Amateur Radio Klub
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 K7CMT's current licensee, walking backwards.
- KI7WCRcancelledBigfork Amateur Radio KlubMTgranted 2018-04-11cancelled 2018-05-05
Successor callsigns
Callsigns held now by people who previously held K7CMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7CMT, oldest first.
- HOFFMAN JR, RICHARD Y AZ1996-11-22 → cancelled 2008-11-25
- Bigfork Amateur Radio Klub MT2018-05-05 active