Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4YK callsign genealogy
Currently held by Loewy, Jon
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 KY4YK's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KY4YK.
- Loewy, JonNCgranted 2023-06-22