Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4WMH callsign genealogy
Currently held by HEMMINGER, MIKE
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 KN4WMH's current licensee, walking backwards.
- Hemminger, MikeSCgranted 2019-03-18cancelled 2019-04-06
Successor callsigns
Callsigns held now by people who previously held KN4WMH.
- HEMMINGER, MIKESCgranted 2019-05-04