Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4CHX callsign genealogy
Currently held by CLEMENTS JR, WILLIAM L
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 W4CHX's current licensee, walking backwards.
- BOWMAN, KARL FNCgranted 2002-04-24cancelled 2008-05-17
Successor callsigns
Callsigns held now by people who previously held W4CHX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4CHX, oldest first.
- CLEMENTS JR, WILLIAM L NC1996-09-11 → cancelled 1999-06-30
- BOWMAN, KARL F NC2018-04-10 active