Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4KCU callsign genealogy
Currently held by Neilson, William
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 KM4KCU's current licensee, walking backwards.
- Neilson, WilliamNCgranted 2015-03-11cancelled 2015-04-27
Successor callsigns
Callsigns held now by people who previously held KM4KCU.
No current licensee on record previously held this callsign.