Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7IO callsign genealogy
Currently held by Hoff, Thad N
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 AI7IO's current licensee, walking backwards.
- Hoff, Thad NWYgranted 2019-04-26cancelled 2021-07-07
Successor callsigns
Callsigns held now by people who previously held AI7IO.
- Hoff, Thad NWYgranted 2021-08-23