Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS0JD callsign genealogy
Currently held by DARBY, JEFFREY K
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 KS0JD's current licensee, walking backwards.
- DARBY, JEFFREY KKSgranted 2014-10-28cancelled 2019-09-17
Successor callsigns
Callsigns held now by people who previously held KS0JD.
No current licensee on record previously held this callsign.