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

K5BTG callsign genealogy

Currently held by SPANGLER, MATTHEW M

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 K5BTG's current licensee, walking backwards.

  1. N1OCcancelled· E
    Walsh, Shawn MTXgranted 2024-07-19cancelled 2026-01-03
  2. K5NLGcancelled· E
    WALSH, SHAWN MTXgranted 2017-06-27cancelled 2024-07-19
  3. N0DXRactive· A
    Vendt, Clifford WNHgranted 2020-10-24
  4. KB1FFcancelled· A
    Vendt, Clifford WNHgranted 2013-11-06cancelled 2020-10-24

Successor callsigns

Callsigns held now by people who previously held K5BTG.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K5BTG, oldest first.

  • SPANGLER, MATTHEW M LA
    1995-11-28 → cancelled 2007-11-29
  • Walsh, Shawn M TX
    2026-01-03 active
← Back to K5BTG License history →