Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JIN callsign genealogy
Currently held by WARNER, MICHAEL D
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 K5JIN's current licensee, walking backwards.
- LEVANDOSKI, GEORGE ETXgranted 2017-08-05cancelled 2022-02-08
Successor callsigns
Callsigns held now by people who previously held K5JIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5JIN, oldest first.
- WARNER, MICHAEL D TX2006-12-12 → cancelled 2019-02-12
- Levandoski 723, George E TX2022-02-08 active