Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ3JK callsign genealogy
Currently held by Komenda, Jeffrey 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 KZ3JK's current licensee, walking backwards.
- Komenda, Jeffrey JMDgranted 2024-09-04cancelled 2025-09-12
Successor callsigns
Callsigns held now by people who previously held KZ3JK.
- Komenda, Jeffrey JMDgranted 2026-08-08