Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6SJO callsign genealogy
Currently held by SJORDAL, JONATHAN E
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 N6SJO's current licensee, walking backwards.
- SJORDAL, JONATHAN EVAgranted 2025-09-17cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held N6SJO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6SJO, oldest first.
- THOMAS, GORDON S CA2009-03-11 → cancelled 2020-11-14
- SJORDAL, JONATHAN E VA2025-12-09 active