Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9RWX callsign genealogy
Currently held by WOCKNER, CLARK 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 W9RWX's current licensee, walking backwards.
- KC9AVFcancelledIroquois County Amateur Radio ClubILgranted 2001-12-26cancelled 2002-03-30
Successor callsigns
Callsigns held now by people who previously held W9RWX.
- AD9LactiveIroquois County Amateur Radio ClubILgranted 2020-10-15
All historical holders
Every license row we've seen with the callsign W9RWX, oldest first.
- WOCKNER, CLARK M IL1996-01-24 → cancelled 2001-11-18
- Iroquois County Amateur Radio Club IL2002-03-30 → cancelled 2010-10-13