Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3JZR callsign genealogy
Currently held by Shirkey, Steven M
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 K3JZR's current licensee, walking backwards.
- Shirkey, Steven MMIgranted 2022-04-14cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held K3JZR.
- Shirkey, Steven MMIgranted 2022-05-27