Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ACU callsign genealogy
Currently held by WALTON, FRANCIS F
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 W9ACU's current licensee, walking backwards.
- KC9SKOcancelledIllinois Valley Amateur Radio ClubILgranted 2010-05-18cancelled 2010-06-19
Successor callsigns
Callsigns held now by people who previously held W9ACU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ACU, oldest first.
- WALTON, FRANCIS F IL1993-07-06 → cancelled 2005-07-07
- Illinois Valley Amateur Radio Club IL2020-04-16 active