Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1ZBZ callsign genealogy
Currently held by Thirteen Colonies 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 KC1ZBZ'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 KC1ZBZ.
- WB2COLactiveThirteen Colonies Amateur Radio ClubCTgranted 2026-05-15