Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX7ID callsign genealogy
Currently held by Idaho Mountain Amateur Radio Society
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 KX7ID's current licensee, walking backwards.
- KK7CWCcancelledIdaho Mountain Amateur Radio SocietyIDgranted 2022-01-03cancelled 2022-03-22
Successor callsigns
Callsigns held now by people who previously held KX7ID.
- ROBERTSON, CHARLES WIDgranted 2019-03-27
All historical holders
Every license row we've seen with the callsign KX7ID, oldest first.
- ROBERTSON, CHARLES W ID2003-07-25 → cancelled 2009-06-13
- Idaho Mountain Amateur Radio Society ID2022-03-22 active