Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN8D callsign genealogy
Currently held by Zhou, Wei
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 NN8D's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NN8D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NN8D, oldest first.
- GROSSENBACHER, ROGER L MI2006-07-15 → cancelled 2018-07-17
- Zhou, Wei CA2018-08-03 active