Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8XYZ callsign genealogy
Currently held by Ziemba, Xavier 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 W8XYZ's current licensee, walking backwards.
- Ziemba, Xavier YWAgranted 2020-06-01cancelled 2020-08-08
Successor callsigns
Callsigns held now by people who previously held W8XYZ.
- MORSE, ROGER LMEgranted 2018-07-20
All historical holders
Every license row we've seen with the callsign W8XYZ, oldest first.
- MORSE, ROGER L ME2008-06-21 → cancelled 2018-07-20
- Ziemba, Xavier Y WA2020-08-08 active