Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4ZZA callsign genealogy
Currently held by FOURTH REGIMENT COMMUNICATIONS SUPPORT TEAM
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 KJ4ZZA'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 KJ4ZZA.
- W4RGTactiveFOURTH REGIMENT COMMUNICATIONS SUPPORT TEAMTNgranted 2021-01-13