Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0KXK callsign genealogy
Currently held by BEYREIS, JOHN R
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 W0KXK's current licensee, walking backwards.
- Morejon-Cohen, Alexei JoaquinNDgranted 2015-11-06cancelled 2015-12-01
Successor callsigns
Callsigns held now by people who previously held W0KXK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0KXK, oldest first.
- BEYREIS, JOHN R CA1988-07-19 → cancelled 2000-07-20
- Morejon-Cohen, Alexei Joaquin ND2015-12-01 active