Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IDT callsign genealogy
Currently held by KOLARIK, RONALD A
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 K0IDT's current licensee, walking backwards.
- KOLARIK, RONALD ANEgranted 1997-03-18cancelled 2000-09-01
Successor callsigns
Callsigns held now by people who previously held K0IDT.
No current licensee on record previously held this callsign.