Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4SJC callsign genealogy
Currently held by JARVIS, FRANCIS H
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 N4SJC's current licensee, walking backwards.
- CHANDLER, STEVEN JSCgranted 2022-07-16cancelled 2022-08-06
Successor callsigns
Callsigns held now by people who previously held N4SJC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4SJC, oldest first.
- JARVIS, FRANCIS H FL2007-11-24 → cancelled 2020-01-17
- CHANDLER, STEVEN J SC2022-08-06 active