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

W5THC callsign genealogy

Currently held by Braun, Mark 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 W5THC's current licensee, walking backwards.

  1. W5MHBcancelled· G
    Braun, Mark HTXgranted 2016-10-22cancelled 2018-10-30
  2. W5NWOcancelled· G
    Braun, Mark HTXgranted 2016-02-06cancelled 2016-10-22

Successor callsigns

Callsigns held now by people who previously held W5THC.

  1. KF5KBactive· E
    ALDREDGE, WILLIAM HTXgranted 2018-08-14
  2. W5NWOcancelled· G
    Braun, Mark HTXgranted 2016-02-06cancelled 2016-10-22

All historical holders

Every license row we've seen with the callsign W5THC, oldest first.

  • BOYCE, WENDELL L TX
    1987-10-13 → cancelled 1999-10-14
  • Aldredge, William H TX
    2002-03-07 → cancelled 2008-09-30
  • Braun, Mark H TX
    2014-11-14 → cancelled 2016-02-06
  • Braun, Mark H TX
    2018-10-30 active
← Back to W5THC License history →