Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4ZZU callsign genealogy
Currently held by Comer Scout Reservation 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 KK4ZZU'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 KK4ZZU.
- K4CSRexpiredComer Scout Reservation Radio ClubALgranted 2014-05-02cancelled 2026-05-05