Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4NDL callsign genealogy
Currently held by De Leon-Diaz, Nelson
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 N4NDL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4NDL.
- AYCOTH, ROBERT DNCgranted 1998-10-05cancelled 2010-10-06
All historical holders
Every license row we've seen with the callsign N4NDL, oldest first.
- De Leon-Diaz, Nelson PR2020-07-24 active
- AYCOTH, ROBERT D— → cancelled 1998-10-05