Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9DNZ callsign genealogy
Currently held by Laubenstein, Magnus C
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 KD9DNZ's current licensee, walking backwards.
- Laubenstein, Magnus CWIgranted 2015-03-10cancelled 2015-04-10
Successor callsigns
Callsigns held now by people who previously held KD9DNZ.
- Laubenstein, Carl MWIgranted 2025-04-03