Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0YGQ callsign genealogy
Currently held by Sladky, Todd 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 KC0YGQ's current licensee, walking backwards.
- Sladky, Todd JIAgranted 1999-03-30cancelled 2006-08-10
Successor callsigns
Callsigns held now by people who previously held KC0YGQ.
- Sladky, Todd JIAgranted 2017-01-18