Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DEN callsign genealogy
Currently held by HRUZA JR, DENIS 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 K4DEN's current licensee, walking backwards.
- HRUZA JR, DENIS EFLgranted 2012-04-16cancelled 2012-05-05
Successor callsigns
Callsigns held now by people who previously held K4DEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DEN, oldest first.
- LOWMAN, DENNIS A NC1999-02-24 → cancelled 2011-02-25
- HRUZA JR, DENIS E FL2022-11-15 active