Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE6ZUD callsign genealogy
Currently held by Kokoszka, Keith V
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 KE6ZUD's current licensee, walking backwards.
- Kokoszka, Keith VCAgranted 2016-01-19cancelled 2016-02-12
Successor callsigns
Callsigns held now by people who previously held KE6ZUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE6ZUD, oldest first.
- SWIM, WILLIAMA E CA1995-11-22 → cancelled 2007-11-24
- Kokoszka, Keith V CA2026-05-14 active