Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KM4WKC callsign genealogy
Currently held by Sleeman Sr, Joseph J
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 KM4WKC's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM4WKC.
- Sleeman Sr, Joseph JFLgranted 2016-09-20