Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4KSO callsign genealogy
Currently held by SILVENIS, BRIAN 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 KJ4KSO's current licensee, walking backwards.
- SILVENIS, BRIAN DTNgranted 2009-08-27cancelled 2019-06-15
Successor callsigns
Callsigns held now by people who previously held KJ4KSO.
- Silvenis, Joyce LTNgranted 2025-04-08
All historical holders
Every license row we've seen with the callsign KJ4KSO, oldest first.
- Silvenis, Joyce L TN2009-03-26 → cancelled 2015-02-20
- SILVENIS, BRIAN D TN2019-06-15 active