Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5BYZ callsign genealogy
Currently held by Karnezis, Nicholas J
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 W5BYZ's current licensee, walking backwards.
- Karnezis, Nicholas JNMgranted 2022-01-18cancelled 2022-02-11
Successor callsigns
Callsigns held now by people who previously held W5BYZ.
No current licensee on record previously held this callsign.