Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ0MTN callsign genealogy
Currently held by Mountain Jr, John C
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 KJ0MTN's current licensee, walking backwards.
- Mountain Jr, John CMOgranted 2006-08-25cancelled 2006-11-03
Successor callsigns
Callsigns held now by people who previously held KJ0MTN.
No current licensee on record previously held this callsign.