Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WMH callsign genealogy
Currently held by Hollums, Walter M
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 K4WMH's current licensee, walking backwards.
- Hollums, Walter MGAgranted 2008-08-29cancelled 2008-09-20
Successor callsigns
Callsigns held now by people who previously held K4WMH.
- Hager, William MNCgranted 2012-05-30cancelled 2024-07-09
All historical holders
Every license row we've seen with the callsign K4WMH, oldest first.
- Hager, William M NC2002-03-21 → cancelled 2002-07-06
- Hollums, Walter M GA2008-09-20 → cancelled 2020-09-22