Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC3DHJ callsign genealogy
Currently held by Zubrowski, Richard A
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 KC3DHJ's current licensee, walking backwards.
- Zubrowski, Richard AMDgranted 2012-09-28cancelled 2014-08-04
Successor callsigns
Callsigns held now by people who previously held KC3DHJ.
- Zubrowski, Richard AMDgranted 2024-07-31