Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7ARB callsign genealogy
Currently held by North Yellowstone Amateur Radio Club
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 KJ7ARB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ7ARB.
- NY7ARactiveNorth Yellowstone Amateur Radio ClubMTgranted 2022-03-22