Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4CJU callsign genealogy
Currently held by KC4GUG HONORIAL 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 KR4CJU'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 KR4CJU.
- KC4GUGactiveKC4GUG HONORIAL AMATEUR RADIO CLUBTNgranted 2025-04-08