Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4XEX callsign genealogy
Currently held by Stachyra, Leszek
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 K4XEX's current licensee, walking backwards.
- Stachyra, LeszekTNgranted 2020-01-28cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held K4XEX.
- Stachyra, LeszekTNgranted 2020-06-26