Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4SJR callsign genealogy
Currently held by SHARER SR, JOSEPH A
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 N4SJR's current licensee, walking backwards.
- Lilly Jr, Samuel GVAgranted 2013-04-18cancelled 2013-09-06
Successor callsigns
Callsigns held now by people who previously held N4SJR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4SJR, oldest first.
- SHARER SR, JOSEPH A KY1988-03-22 → cancelled 2000-03-23
- Lilly Jr, Samuel G VA2024-08-17 active