Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4UE callsign genealogy
Currently held by Kwok, Hung-Chi
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 KX4UE's current licensee, walking backwards.
- Kwok, Hung-ChiALgranted 2019-08-28cancelled 2019-09-09
Successor callsigns
Callsigns held now by people who previously held KX4UE.
- Kwok, Hung-ChiALgranted 2019-09-27