Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WMM callsign genealogy
Currently held by HUBBARD, ERNEST R
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 K4WMM's current licensee, walking backwards.
- MUNDY JR, WILLIAM MVAgranted 1997-02-20cancelled 2001-01-03
Successor callsigns
Callsigns held now by people who previously held K4WMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4WMM, oldest first.
- HUBBARD, ERNEST R KY1988-11-29 → cancelled 2000-11-30
- MUNDY JR, WILLIAM M VA2020-11-03 active