Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB6G callsign genealogy
Currently held by YU, DONGGUANG
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 NB6G's current licensee, walking backwards.
- YU, DONGGUANGFLgranted 2021-06-30cancelled 2025-04-11
Successor callsigns
Callsigns held now by people who previously held NB6G.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NB6G, oldest first.
- NICHOLSON, CARL CA2013-01-12 → cancelled 2025-03-22
- YU, DONGGUANG FL2025-04-11 active