Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4EJS callsign genealogy
Currently held by KATSAOUNIS, ALEXANDROS
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 KN4EJS's current licensee, walking backwards.
- KATSAOUNIS, ALEXANDROSFLgranted 2009-06-12cancelled 2017-07-08
Successor callsigns
Callsigns held now by people who previously held KN4EJS.
No current licensee on record previously held this callsign.