Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI0SF callsign genealogy
Currently held by LUKASIK, TIM M
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 KI0SF's current licensee, walking backwards.
- LUKASIK, TIM MCOgranted 1992-03-03cancelled 2002-03-01
Successor callsigns
Callsigns held now by people who previously held KI0SF.
- LUKASIK, TIM MCOgranted 2021-07-31