Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5XYZ callsign genealogy
Currently held by Stone, Matthew 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 K5XYZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K5XYZ.
- Stone, Matthew RKSgranted 2026-06-13