Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SDC callsign genealogy
Currently held by Clary, Stephen D
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 K4SDC's current licensee, walking backwards.
- Clary, Stephen DVAgranted 2003-01-24cancelled 2005-04-12
Successor callsigns
Callsigns held now by people who previously held K4SDC.
- Clary, Stephen DVAgranted 2003-01-24cancelled 2005-04-12
All historical holders
Every license row we've seen with the callsign K4SDC, oldest first.
- Clary, Stephen D VA2003-01-24 → cancelled 2005-03-23
- Clary, Stephen D VA2025-02-06 active