Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6YAY callsign genealogy
Currently held by Liu, Daniel
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 W6YAY's current licensee, walking backwards.
- Liu, DanielCAgranted 2020-10-21cancelled 2020-11-10
Successor callsigns
Callsigns held now by people who previously held W6YAY.
No current licensee on record previously held this callsign.