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

W4OTI callsign genealogy

Currently held by CHAVIANO, OTILIO 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 W4OTI's current licensee, walking backwards.

  1. KA4OTIcancelled· E
    CHAVIANO, OTILIO JFLgranted 2012-09-11cancelled 2019-02-20
  2. KA4KZZcancelled· G
    CHAVIANO, OTILIO JFLgranted 2003-05-10cancelled 2012-09-11

Successor callsigns

Callsigns held now by people who previously held W4OTI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4OTI, oldest first.

  • BOWEN, CHARLES L NC
    1993-12-28 → cancelled 2005-12-29
  • CHAVIANO, OTILIO J FL
    2019-02-20 active
← Back to W4OTI License history →