uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N0OZ callsign genealogy

Currently held by ECHEVARRIA, ARIEL R

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 N0OZ's current licensee, walking backwards.

  1. W0KEDcancelled· E
    ECHEVARRIA, ARIEL RIAgranted 2021-04-10cancelled 2023-06-02
  2. KF0ERWcancelled· G
    ECHEVARRIA, ARIEL RIAgranted 2021-03-19cancelled 2021-04-10

Successor callsigns

Callsigns held now by people who previously held N0OZ.

  1. AC4Nactive· E
    MILLER, JOHN LKYgranted 2021-05-14

All historical holders

Every license row we've seen with the callsign N0OZ, oldest first.

  • HALFERTY, DIANE H TX
    2009-02-18 → cancelled 2021-03-18
  • MILLER, JOHN L KY
    2021-04-06 → cancelled 2021-05-14
  • ECHEVARRIA, ARIEL R IA
    2023-06-02 active
← Back to N0OZ License history →