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

W9OEM callsign genealogy

Currently held by ROBBINS, GERALD W

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 W9OEM's current licensee, walking backwards.

  1. AI4WQcancelled· E
    ROBBINS, GERALD WFLgranted 2007-02-23cancelled 2008-04-05
  2. KI4TUPcancelled· E
    ROBBINS, GERALD WFLgranted 2007-02-23cancelled 2007-04-10

Successor callsigns

Callsigns held now by people who previously held W9OEM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9OEM, oldest first.

  • CRAWFORD, KENT T CA
    1991-02-12 → cancelled 2003-02-13
  • ROBBINS, GERALD W FL
    2008-04-05 → cancelled 2020-04-07