Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9HIX callsign genealogy
Currently held by TRIEGLAFF, ROBERT L
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 K9HIX's current licensee, walking backwards.
- HIX, VINCENT CINgranted 1995-09-26cancelled 2002-03-30
Successor callsigns
Callsigns held now by people who previously held K9HIX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9HIX, oldest first.
- TRIEGLAFF, ROBERT L IL1997-03-28 → cancelled 1999-06-30
- HIX, VINCENT C IN2022-09-13 active