Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4UTD callsign genealogy
Currently held by Lopez, Armando
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 N4UTD's current licensee, walking backwards.
- Lopez, ArmandoFLgranted 2021-04-20cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held N4UTD.
No current licensee on record previously held this callsign.