Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4NIS callsign genealogy
Currently held by Derickson, Karen 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 KM4NIS's current licensee, walking backwards.
- Derickson, Karen RKYgranted 2014-05-16cancelled 2015-09-17
Successor callsigns
Callsigns held now by people who previously held KM4NIS.
No current licensee on record previously held this callsign.