Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9HRC callsign genealogy
Currently held by DVORAK, RONALD L
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 W9HRC's current licensee, walking backwards.
- KE9CMGcancelledHam Radio Chicago IncILgranted 2025-02-06cancelled 2025-03-01
Successor callsigns
Callsigns held now by people who previously held W9HRC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9HRC, oldest first.
- DVORAK, RONALD L IN2009-05-12 → cancelled 2021-06-08
- Ham Radio Chicago Inc IL2025-03-01 active