Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KOB callsign genealogy
Currently held by Williams, George
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 W4KOB's current licensee, walking backwards.
- Demain Sr, Jonn ANCgranted 2019-05-23cancelled 2019-08-23
Successor callsigns
Callsigns held now by people who previously held W4KOB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4KOB, oldest first.
- Williams, George FL2004-09-22 → cancelled 2016-11-08
- Demain Sr, Jonn A NC2019-08-23 active