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

KC7TA callsign genealogy

Currently held by THORNTON, RICHARD E

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 KC7TA's current licensee, walking backwards.

  1. KC1TAactive· E
    ACHTEMICHUK, THOMAS MMEgranted 2017-07-29
  2. W0ZIOcancelled· E
    ACHTEMICHUK, THOMAS MMAgranted 2016-08-09cancelled 2017-07-29
  3. KC1GBCcancelled· G
    ACHTEMICHUK, THOMAS MMAgranted 2016-07-21cancelled 2016-08-09

Successor callsigns

Callsigns held now by people who previously held KC7TA.

  1. KC1TAcancelled· E
    THORNTON, RICHARD EMAgranted 2011-07-26cancelled 2012-12-18