Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA3ZZR callsign genealogy
Currently held by MARGARIDO, CHARLES E
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 KA3ZZR'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 KA3ZZR.
- MARGARIDO, CHARLES EPAgranted 2020-11-17