Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4NZK callsign genealogy
Currently held by BULL, ERIC 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 KK4NZK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK4NZK.
No current licensee on record previously held this callsign.