Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4DDX callsign genealogy
Currently held by Ortiz, Andres
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 N4DDX's current licensee, walking backwards.
- Ortiz, AndresFLgranted 2013-12-04cancelled 2017-07-04
Successor callsigns
Callsigns held now by people who previously held N4DDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DDX, oldest first.
- ROBERTS, LONNIE W KY2004-10-01 → cancelled 2016-12-31
- Ortiz, Andres FL2017-07-04 active