Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6SHI callsign genealogy
Currently held by Sianarta, Matthew
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 KM6SHI's current licensee, walking backwards.
- Sianarta, MatthewCAgranted 2018-04-19cancelled 2018-04-21
Successor callsigns
Callsigns held now by people who previously held KM6SHI.
No current licensee on record previously held this callsign.