Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6MXH callsign genealogy
Currently held by ZBOYOVSKY, JOSEPH 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 KA6MXH's current licensee, walking backwards.
- Zboyovsky, DavidCAgranted 2020-09-24cancelled 2020-10-14
Successor callsigns
Callsigns held now by people who previously held KA6MXH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA6MXH, oldest first.
- ZBOYOVSKY, JOSEPH J CA1997-02-06 → cancelled 2009-02-07
- Zboyovsky, David J CA2020-10-14 active