Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4JDX callsign genealogy
Currently held by Hernandez, Robert S
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 N4JDX's current licensee, walking backwards.
- Hernandez, Robert SFLgranted 2007-05-10cancelled 2008-04-29
Successor callsigns
Callsigns held now by people who previously held N4JDX.
- IRVING, ALFRED JNJgranted 1988-04-26cancelled 2000-04-27