Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6MAK callsign genealogy
Currently held by Mak, Siu-Fung
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 KM6MAK's current licensee, walking backwards.
- Mak, Siu FungCAgranted 2016-05-26cancelled 2016-08-12
Successor callsigns
Callsigns held now by people who previously held KM6MAK.
No current licensee on record previously held this callsign.