Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5EXX callsign genealogy
Currently held by Budro, Mark A
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 K5EXX's current licensee, walking backwards.
- Budro, Mark ATXgranted 2007-01-29cancelled 2007-05-25
Successor callsigns
Callsigns held now by people who previously held K5EXX.
- Budro, Mark ATXgranted 2020-03-17