Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NR1J callsign genealogy
Currently held by MUTO, JUN
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 NR1J's current licensee, walking backwards.
- MUTO, JUNKSgranted 1995-10-10cancelled 2001-08-10
Successor callsigns
Callsigns held now by people who previously held NR1J.
No current licensee on record previously held this callsign.