Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4RDK callsign genealogy
Currently held by Mills, Keith A
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 KM4RDK's current licensee, walking backwards.
- Mills, Keith ANCgranted 2016-02-16cancelled 2016-02-17
Successor callsigns
Callsigns held now by people who previously held KM4RDK.
No current licensee on record previously held this callsign.