Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9EM callsign genealogy
Currently held by Knox County Emergency Management & RACES Group
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 KC9EM's current licensee, walking backwards.
- KD9KTQcancelledKnox County Emergency Management & RACES GroupINgranted 2018-04-18cancelled 2018-05-11
Successor callsigns
Callsigns held now by people who previously held KC9EM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9EM, oldest first.
- LESNIAK, HOWARD H WI2006-01-30 → cancelled 2018-04-24
- Knox County Emergency Management & RACES Group IN2018-05-11 active