Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK4DX callsign genealogy
Currently held by Prado Sr., Ezequiel
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 NK4DX's current licensee, walking backwards.
- Prado Sr, EzequielFLgranted 2015-02-05cancelled 2015-04-03
Successor callsigns
Callsigns held now by people who previously held NK4DX.
- W4TELexpiredHY TOWER DXERS AND TWISTED PAIRSVAgranted 2011-02-11cancelled 2023-02-14
All historical holders
Every license row we've seen with the callsign NK4DX, oldest first.
- HY TOWER DXERS AND CONTESTERS VA2008-02-20 → cancelled 2011-02-11
- Prado Sr., Ezequiel FL2025-06-10 active