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

W1XXX callsign genealogy

Currently held by Mosley, Patrick 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 W1XXX's current licensee, walking backwards.

  1. KX4UHcancelled· E
    Mosley, Patrick WFLgranted 2019-09-05cancelled 2019-10-01
  2. KN4WZPcancelled· E
    Mosley, Patrick WFLgranted 2019-09-05cancelled 2019-09-11

Successor callsigns

Callsigns held now by people who previously held W1XXX.

  1. W6SPBactive· A
    BONADIO, STEVEN PCAgranted 2017-09-01

All historical holders

Every license row we've seen with the callsign W1XXX, oldest first.

  • BONADIO, STEVEN P MA
    2007-09-18 → cancelled 2017-09-01
  • Mosley, Patrick W FL
    2019-10-01 active
← Back to W1XXX License history →