Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CMK callsign genealogy
Currently held by Kucera, Chloe M
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 K0CMK's current licensee, walking backwards.
- Kucera, ChloeMNgranted 2015-08-27cancelled 2015-10-02
Successor callsigns
Callsigns held now by people who previously held K0CMK.
- KRALY, CHARLES MMOgranted 2020-05-14
All historical holders
Every license row we've seen with the callsign K0CMK, oldest first.
- KRALY, CHARLES M KS2010-05-28 → cancelled 2010-08-10
- Kucera, Chloe M MN2025-08-28 active