Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4CS callsign genealogy
Currently held by STIEFEL, CHARLES B
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 WB4CS's current licensee, walking backwards.
- STIEFEL, CHARLES BALgranted 2005-01-03cancelled 2013-02-23
Successor callsigns
Callsigns held now by people who previously held WB4CS.
No current licensee on record previously held this callsign.