Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6CHU callsign genealogy
Currently held by Chu, William B
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 K6CHU's current licensee, walking backwards.
- Chu, William BCAgranted 1998-08-03cancelled 2004-06-04
Successor callsigns
Callsigns held now by people who previously held K6CHU.
No current licensee on record previously held this callsign.