Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4SDR callsign genealogy
Currently held by Skinner, Denise 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 KM4SDR's current licensee, walking backwards.
- Skinner, Denise RFLgranted 2015-03-17cancelled 2015-04-11
Successor callsigns
Callsigns held now by people who previously held KM4SDR.
No current licensee on record previously held this callsign.