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

W4LPM callsign genealogy

Currently held by Kahan, Mitch

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 W4LPM's current licensee, walking backwards.

  1. W4KTTcancelled· G
    Kahan, MitchFLgranted 2022-03-26cancelled 2022-04-15
  2. KT6TTTcancelled· G
    Kahan, MitchFLgranted 2022-03-04cancelled 2022-03-26
  3. KO4WJGcancelled· G
    Kahan, MitchFLgranted 2022-02-02cancelled 2022-03-04

Successor callsigns

Callsigns held now by people who previously held W4LPM.

  1. W4ZTAactive· G
    Kahan, MitchFLgranted 2022-06-07

All historical holders

Every license row we've seen with the callsign W4LPM, oldest first.

  • RUDISILL, WILLIAM B NC
    2008-02-26 → cancelled 2020-05-05
  • Kahan, Mitch FL
    2022-04-15 → cancelled 2022-06-07
← Back to W4LPM License history →