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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KC3ZUO callsign genealogy

Currently held by CITRO, FRANCIS J

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 KC3ZUO's current licensee, walking backwards.

  1. WV8FJCcancelled· G
    CITRO, FRANCIS JMDgranted 2018-03-23cancelled 2024-09-21
  2. KD8IKGcancelled· T
    Citro, Francis JWVgranted 2008-04-22cancelled 2008-05-13

Successor callsigns

Callsigns held now by people who previously held KC3ZUO.

  1. N3XDRactive· G
    CITRO, FRANCIS JMDgranted 2024-10-11