Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0SD callsign genealogy
Currently held by Damm, Wolfgang
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 WD0SD's current licensee, walking backwards.
- Damm, WolfgangSDgranted 2019-03-21cancelled 2020-05-27
Successor callsigns
Callsigns held now by people who previously held WD0SD.
No current licensee on record previously held this callsign.