Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5BJZ callsign genealogy
Currently held by Zawikowski, Bryan 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 K5BJZ's current licensee, walking backwards.
- Zawikowski, Bryan JTXgranted 2025-01-23cancelled 2025-03-04
Successor callsigns
Callsigns held now by people who previously held K5BJZ.
No current licensee on record previously held this callsign.