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

KM4O callsign genealogy

Currently held by BRIDGES, BRENT A

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 KM4O's current licensee, walking backwards.

  1. W4DUIactive· E
    NEMETH JR, PAUL PGAgranted 2019-04-16
  2. KJ4MSIcancelled· G
    Nemeth Jr, Paul PFLgranted 2009-06-12cancelled 2009-06-30

Successor callsigns

Callsigns held now by people who previously held KM4O.

  1. W4HKcancelled· E
    KELLEY JR, HENRY CGAgranted 2003-01-07cancelled 2005-06-17

All historical holders

Every license row we've seen with the callsign KM4O, oldest first.

  • KELLEY JR, HENRY C GA
    1999-01-20 → cancelled 2003-01-07
  • BRIDGES, BRENT A TN
    2024-12-24 active
← Back to KM4O License history →