Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM6CM callsign genealogy
Currently held by Kim, Derrick Y
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 KM6CM's current licensee, walking backwards.
- Kim, Derrick YCAgranted 2021-05-17cancelled 2021-06-25
Successor callsigns
Callsigns held now by people who previously held KM6CM.
- Kim, Derrick YCAgranted 2026-01-21
All historical holders
Every license row we've seen with the callsign KM6CM, oldest first.
- KIM, DERRICK Y Y CA2001-03-22 → cancelled 2013-06-19
- Kim, Derrick Y CA2021-06-25 → cancelled 2026-01-21