Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ILL callsign genealogy
Currently held by WILSON, JOAN H
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 K4ILL's current licensee, walking backwards.
- Dean Jr, Robert FSCgranted 2011-08-18cancelled 2019-12-03
Successor callsigns
Callsigns held now by people who previously held K4ILL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ILL, oldest first.
- WILSON, JOAN H AL1997-07-28 → cancelled 2009-07-29
- Dean, Robert F SC2019-12-03 active