Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7NCK callsign genealogy
Currently held by Yu, Nicholas
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 W7NCK's current licensee, walking backwards.
- Yu, NicholasWAgranted 2016-12-02cancelled 2016-12-20
Successor callsigns
Callsigns held now by people who previously held W7NCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7NCK, oldest first.
- BAILEY, ELDON V OR2001-07-17 → cancelled 2013-07-18
- Yu, Nicholas WA2016-12-20 active