Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0JSA callsign genealogy
Currently held by Asplund, Jon 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 N0JSA's current licensee, walking backwards.
- ASPLUND, JON SMNgranted 1995-08-19cancelled 1999-11-27
Successor callsigns
Callsigns held now by people who previously held N0JSA.
- BREYFOGLE IV, LOUIS DCOgranted 2017-06-24