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

KM5TC callsign genealogy

Currently held by MATHENY, MICHAEL H

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 KM5TC's current licensee, walking backwards.

  1. AA5CQcancelled· E
    MATHENY, MICHAEL HTXgranted 2022-05-27cancelled 2022-07-15

Successor callsigns

Callsigns held now by people who previously held KM5TC.

  1. AA5CQcancelled· E
    MATHENY, MICHAEL HTXgranted 2022-05-27cancelled 2022-07-15
  2. WQ5MMcancelled· E
    MATHENY, MICHAEL HOKgranted 2000-08-15cancelled 2003-07-29

All historical holders

Every license row we've seen with the callsign KM5TC, oldest first.

  • MATHENY, MICHAEL H TX
    1998-10-14 → cancelled 2000-08-15
  • MATHENY, MICHAEL H TX
    2013-05-04 → cancelled 2022-05-27
  • MATHENY, MICHAEL H TX
    2022-07-15 active
← Back to KM5TC License history →