Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4EM callsign genealogy
Currently held by MITCHELL, CHARLES 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 KN4EM's current licensee, walking backwards.
- KK4KRPcancelledJCARESTNgranted 2012-07-27cancelled 2012-12-18
Successor callsigns
Callsigns held now by people who previously held KN4EM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4EM, oldest first.
- MITCHELL, CHARLES A GA2000-03-17 → cancelled 2012-06-13
- JCARES TN2022-10-07 active