Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4FJS callsign genealogy
Currently held by CHAMBERS, CHARLES 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 N4FJS's current licensee, walking backwards.
- STEPAN II, FRANK JTXgranted 2005-01-06cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held N4FJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4FJS, oldest first.
- CHAMBERS, CHARLES E FL1992-01-14 → cancelled 2004-01-15
- STEPAN II, FRANK J TX2015-12-22 active