Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI6OT callsign genealogy
Currently held by SMITH, BRADLEY S
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 AI6OT's current licensee, walking backwards.
- Zhang, HanCAgranted 2026-06-17cancelled 2026-07-07
Successor callsigns
Callsigns held now by people who previously held AI6OT.
- SMITH, BRADLEY SILgranted 2016-05-24cancelled 2017-06-06
All historical holders
Every license row we've seen with the callsign AI6OT, oldest first.
- SMITH, BRADLEY S IL2016-03-31 → cancelled 2016-05-24
- Zhang, Han CA2026-07-07 active