Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4ZAJ callsign genealogy
Currently held by BROWN, DAVID C
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 KN4ZAJ'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 KN4ZAJ.
- BROWN, DAVID CGAgranted 2019-11-02cancelled 2020-10-16