Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9MUS callsign genealogy
Currently held by SHAO, HONGFEI
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 KD9MUS's current licensee, walking backwards.
- SHAO, HONGFEIILgranted 2018-03-29cancelled 2018-04-17
Successor callsigns
Callsigns held now by people who previously held KD9MUS.
No current licensee on record previously held this callsign.