Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD9DSL callsign genealogy
Currently held by Stern, Harry 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 WD9DSL's current licensee, walking backwards.
- Stern, Harry SCAgranted 2020-08-19cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held WD9DSL.
No current licensee on record previously held this callsign.