Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI7FI callsign genealogy
Currently held by Theisen, Daniel J
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 WI7FI's current licensee, walking backwards.
- Theisen, Daniel JWAgranted 2023-10-26cancelled 2025-06-03
Successor callsigns
Callsigns held now by people who previously held WI7FI.
No current licensee on record previously held this callsign.