Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4ORZ callsign genealogy
Currently held by Orzolek, Brian D
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 K4ORZ's current licensee, walking backwards.
- Orzolek, Brian DVAgranted 2013-08-29cancelled 2013-09-21
Successor callsigns
Callsigns held now by people who previously held K4ORZ.
No current licensee on record previously held this callsign.