Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2CZR callsign genealogy
Currently held by CZAHUR, MICHAEL 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 K2CZR's current licensee, walking backwards.
- CZAHUR, MICHAEL JNJgranted 2024-03-19
Successor callsigns
Callsigns held now by people who previously held K2CZR.
- CZAHUR, MICHAEL JNJgranted 2024-03-19