Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ICW callsign genealogy
Currently held by WILLIAMS, MICHAEL 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 K4ICW's current licensee, walking backwards.
- WILLIAMS, MICHAEL AVAgranted 2013-05-01cancelled 2020-03-17
Successor callsigns
Callsigns held now by people who previously held K4ICW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ICW, oldest first.
- WATKINS, GLENN GA2006-07-07 → cancelled 2018-07-17
- WILLIAMS, MICHAEL A NC2020-03-17 active