Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC7MTN callsign genealogy
Currently held by Donoho, David B
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 KC7MTN's current licensee, walking backwards.
- Donoho, David BUTgranted 2017-06-05cancelled 2017-09-06
Successor callsigns
Callsigns held now by people who previously held KC7MTN.
- DONOHO, DAVID BUTgranted 2018-04-28
All historical holders
Every license row we've seen with the callsign KC7MTN, oldest first.
- ANDERSON, JAMES S WA2005-08-03 → cancelled 2017-08-18
- Donoho, David B UT2017-09-06 → cancelled 2018-04-28