Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6HLX callsign genealogy
Currently held by Mattis, Lee W
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 K6HLX's current licensee, walking backwards.
- Mattis, Lee WCAgranted 2025-02-25cancelled 2025-03-15
Successor callsigns
Callsigns held now by people who previously held K6HLX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6HLX, oldest first.
- LARSON, JON K AZ1999-11-25 → cancelled 2012-02-22
- Mattis, Lee W CA2025-03-15 active