Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND4JS callsign genealogy
Currently held by SWIGART, JAY F
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 ND4JS's current licensee, walking backwards.
- SWIGART, JAY FKYgranted 2010-03-24cancelled 2011-03-15
Successor callsigns
Callsigns held now by people who previously held ND4JS.
No current licensee on record previously held this callsign.