Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4BLU callsign genealogy
Currently held by Huber, Jim 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 KI4BLU's current licensee, walking backwards.
- Usry, Bryan LTXgranted 2019-04-22cancelled 2019-05-14
Successor callsigns
Callsigns held now by people who previously held KI4BLU.
- Usry, Bryan LTXgranted 2020-06-16
All historical holders
Every license row we've seen with the callsign KI4BLU, oldest first.
- Huber, Jim E FL2003-07-08 → cancelled 2015-07-09
- Usry, Bryan L TX2019-05-14 → cancelled 2020-06-16