Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4DZ callsign genealogy
Currently held by Sparks, Dennis W
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 KY4DZ's current licensee, walking backwards.
- Sparks, Dennis WVAgranted 2020-10-26cancelled 2021-01-29
Successor callsigns
Callsigns held now by people who previously held KY4DZ.
No current licensee on record previously held this callsign.