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

KM4SMU callsign genealogy

Currently held by Dix, Walter

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 KM4SMU's current licensee, walking backwards.

  1. K4WJDcancelled· T
    Dix, WalterGAgranted 2016-04-15cancelled 2016-05-10

Successor callsigns

Callsigns held now by people who previously held KM4SMU.

  1. K4WJDcancelled· T
    Dix, WalterGAgranted 2016-04-15cancelled 2016-05-10

All historical holders

Every license row we've seen with the callsign KM4SMU, oldest first.

  • Dix, Walter GA
    2016-03-21 → cancelled 2016-04-15
  • Dix, Walter GA
    2016-05-10 active
← Back to KM4SMU License history →