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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NO0I callsign genealogy

Currently held by STEFANI, CHARLES D

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 NO0I's current licensee, walking backwards.

  1. KF5KIcancelled· E
    BEATTY, JOHN EMOgranted 2016-01-13cancelled 2017-08-18

Successor callsigns

Callsigns held now by people who previously held NO0I.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NO0I, oldest first.

  • STEFANI, CHARLES D IA
    2005-06-21 → cancelled 2017-07-29
  • BEATTY, JOHN E MO
    2017-08-18 active