Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4ZZW callsign genealogy
Currently held by Star 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 KJ4ZZW'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 KJ4ZZW.
- K4RBCactiveStar Amateur Radio ClubALgranted 2021-02-26