Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4UR callsign genealogy
Currently held by Nieminen, Jeremy
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 KZ4UR's current licensee, walking backwards.
- Nieminen, JeremyGAgranted 2025-05-20cancelled 2025-07-10
Successor callsigns
Callsigns held now by people who previously held KZ4UR.
- Nieminen, JeremyGAgranted 2026-06-19