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

W4OU callsign genealogy

Currently held by MILLER, ROBERT H

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 W4OU's current licensee, walking backwards.

  1. K6JKJcancelled· E
    MILLER, ROBERT HFLgranted 1996-06-19cancelled 1999-11-06
  2. AC4KH
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W4OU.

  1. N7FCexpired· E
    ATLAS, MICHAELAZgranted 2007-07-06cancelled 2019-08-27

All historical holders

Every license row we've seen with the callsign W4OU, oldest first.

  • MILLER, ROBERT H FL
    2019-08-15 active
  • ATLAS, MICHAEL
    — → cancelled 1997-08-26
← Back to W4OU License history →