Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TUX callsign genealogy
Currently held by HOPPESCH, JOSEPH P
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 K9TUX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K9TUX.
- HOPPESCH, JOSEPH PFLgranted 2011-03-25cancelled 2016-03-25
All historical holders
Every license row we've seen with the callsign K9TUX, oldest first.
- HOPPESCH, JOSEPH P FL2010-05-18 → cancelled 2011-03-25
- HOPPESCH, JOSEPH P IL2026-03-14 active