Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SDJ callsign genealogy
Currently held by Jencks, 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 K1SDJ's current licensee, walking backwards.
- Jencks, Stephen DNHgranted 2005-12-07cancelled 2006-02-25
Successor callsigns
Callsigns held now by people who previously held K1SDJ.
No current licensee on record previously held this callsign.