Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4VMK callsign genealogy
Currently held by Leeds, Charles F
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 WB4VMK's current licensee, walking backwards.
- Leeds, Charles FFLgranted 2026-08-11cancelled 2026-08-29
Successor callsigns
Callsigns held now by people who previously held WB4VMK.
No current licensee on record previously held this callsign.