Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4CDH callsign genealogy
Currently held by HERRING JR, CHARLES 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 WB4CDH's current licensee, walking backwards.
- HERRING JR, CHARLES DFLgranted 2008-09-03cancelled 2011-01-21
Successor callsigns
Callsigns held now by people who previously held WB4CDH.
No current licensee on record previously held this callsign.