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

K5TEM callsign genealogy

Currently held by McClaren, Jason C

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 K5TEM's current licensee, walking backwards.

  1. KG5LJScancelled· T
    McClaren, Jason CTXgranted 2016-02-08cancelled 2016-03-01

Successor callsigns

Callsigns held now by people who previously held K5TEM.

  1. W4ANTactive· E
    FITZSIMMONS, ALAN WSCgranted 2022-02-16
  2. W3KHcancelled· E
    PADILLA, RENETXgranted 2008-02-15cancelled 2008-11-14

All historical holders

Every license row we've seen with the callsign K5TEM, oldest first.

  • PADILLA, RENE TX
    2006-05-26 → cancelled 2008-02-15
  • FITZSIMMONS, ALAN W LA
    2011-05-10 → cancelled 2012-04-24
  • McClaren, Jason C TX
    2026-02-18 active
← Back to K5TEM License history →