Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AYS callsign genealogy
Currently held by Schwartz, Arthur Y
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 K4AYS's current licensee, walking backwards.
- Schwartz, Arthur YFLgranted 2018-01-23cancelled 2018-03-31
Successor callsigns
Callsigns held now by people who previously held K4AYS.
No current licensee on record previously held this callsign.