Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7TBU callsign genealogy
Currently held by KINSMAN, JEFFREY R
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 N7TBU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N7TBU.
All historical holders
Every license row we've seen with the callsign N7TBU, oldest first.
- Kinsman, Jeffrey AK2002-03-13 → cancelled 2008-09-06
- KINSMAN, JEFFREY R WY2022-08-05 → cancelled 2025-05-02