Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ6HJC callsign genealogy
Currently held by Clark, Hyrum 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 KZ6HJC's current licensee, walking backwards.
- CLARK, HYRUM JCAgranted 2017-08-15cancelled 2017-09-02
Successor callsigns
Callsigns held now by people who previously held KZ6HJC.
- Clark, Hyrum JUTgranted 2018-08-18