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

K4SDE callsign genealogy

Currently held by SMITH, SANDRA L

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 K4SDE's current licensee, walking backwards.

  1. KG5CTDcancelled· T
    SMITH, SANDRA LTXgranted 2014-06-18cancelled 2014-07-25

Successor callsigns

Callsigns held now by people who previously held K4SDE.

  1. N0AAGcancelled· E
    GARCIA, ALDOFLgranted 2010-02-13cancelled 2012-02-14

All historical holders

Every license row we've seen with the callsign K4SDE, oldest first.

  • GARCIA, ALDO FL
    2008-07-29 → cancelled 2010-02-13
  • SMITH, SANDRA L TX
    2024-07-09 active
← Back to K4SDE License history →