Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4WBM callsign genealogy
Currently held by William Byrd Middle School Amateur Radio Club
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 K4WBM's current licensee, walking backwards.
- KI4CLAcancelledWilliam Byrd Middle School Amateur Radio ClubVAgranted 2003-10-06cancelled 2003-11-18
Successor callsigns
Callsigns held now by people who previously held K4WBM.
No current licensee on record previously held this callsign.