Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3SX callsign genealogy
Currently held by Rosenberger, Jeffrey 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 N3SX's current licensee, walking backwards.
- Rosenberger, Jeffrey APAgranted 2003-04-23cancelled 2003-06-14
Successor callsigns
Callsigns held now by people who previously held N3SX.
No current licensee on record previously held this callsign.