Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3DSL callsign genealogy
Currently held by LUDWIG, DEREK S
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 K3DSL's current licensee, walking backwards.
- LUDWIG, DEREK SMDgranted 1997-05-03cancelled 2006-10-31
Successor callsigns
Callsigns held now by people who previously held K3DSL.
No current licensee on record previously held this callsign.