Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI7RU callsign genealogy
Currently held by FRITSEN, BRADLEY E
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 KI7RU's current licensee, walking backwards.
- Fritsen, Ryan BNJgranted 2025-07-22cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KI7RU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI7RU, oldest first.
- FRITSEN, BRADLEY E OR2013-11-12 → cancelled 2025-09-23
- Fritsen, Ryan B NJ2025-12-09 active