Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4CXM callsign genealogy
Currently held by BARNETT, WILLIAM D
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 WB4CXM's current licensee, walking backwards.
- BARNETT, WILLIAM DKYgranted 2004-03-01cancelled 2014-01-18
Successor callsigns
Callsigns held now by people who previously held WB4CXM.
No current licensee on record previously held this callsign.