Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6CCH callsign genealogy
Currently held by Handoko, Calvin
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 KM6CCH's current licensee, walking backwards.
- Handoko, CalvinCAgranted 2016-03-24cancelled 2016-04-19
Successor callsigns
Callsigns held now by people who previously held KM6CCH.
No current licensee on record previously held this callsign.