Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3HDB callsign genealogy
Currently held by Bartz, Hans-Dieter
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 K3HDB's current licensee, walking backwards.
- Bartz, Hans-DieterMDgranted 2015-06-16cancelled 2015-10-27
Successor callsigns
Callsigns held now by people who previously held K3HDB.
No current licensee on record previously held this callsign.