uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KD4SI callsign genealogy

Currently held by VILLANUEVA MORENO, FERNANDO

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 KD4SI's current licensee, walking backwards.

  1. KI5JFKcancelled· E
    VILLANUEVA MORENO, FERNANDOTXgranted 2018-10-10cancelled 2023-12-12
  2. KI5BQFcancelled· E
    VILLANUEVA MORENO, FERNANDOTXgranted 2018-09-18cancelled 2018-10-10

Successor callsigns

Callsigns held now by people who previously held KD4SI.

  1. WD4RJactive· E
    VILLANUEVA MORENO, FERNANDOFLgranted 2024-01-30
← Back to KD4SI License history →