Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0XEU callsign genealogy
Currently held by Kastigar, Matthew J
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 W0XEU's current licensee, walking backwards.
- KASTIGAR, MATTHEW JMOgranted 1999-08-09cancelled 2002-04-10
Successor callsigns
Callsigns held now by people who previously held W0XEU.
- Kastigar, Matthew JMOgranted 2017-02-07cancelled 2017-05-16