Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9TJI callsign genealogy
Currently held by INGLE, TERRY 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 K9TJI's current licensee, walking backwards.
- Isenberg, Timothy JWIgranted 2025-04-23cancelled 2025-05-13
Successor callsigns
Callsigns held now by people who previously held K9TJI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9TJI, oldest first.
- INGLE, TERRY J IN2002-05-07 → cancelled 2014-05-08
- Isenberg, Timothy J WI2025-05-13 active