Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2DUZ callsign genealogy
Currently held by Hallenbeck 729, Ronald 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 K2DUZ's current licensee, walking backwards.
- HALLENBECK, RON DNYgranted 2001-09-10cancelled 2007-11-24
Successor callsigns
Callsigns held now by people who previously held K2DUZ.
No current licensee on record previously held this callsign.