Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4JK callsign genealogy
Currently held by Antolick, Robert 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 KY4JK's current licensee, walking backwards.
- Antolick, Robert JNCgranted 2017-12-28cancelled 2021-07-30
Successor callsigns
Callsigns held now by people who previously held KY4JK.
- Antolick, Robert JNCgranted 2026-06-09