Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4S callsign genealogy
Currently held by Jenkins, James 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 KW4S's current licensee, walking backwards.
- Jenkins, James MFLgranted 2012-12-10cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held KW4S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KW4S, oldest first.
- HYDE, PAUL E FL2005-03-15 → cancelled 2017-03-16
- Jenkins, James M FL2017-04-04 active