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

W4THC callsign genealogy

Currently held by Bruns, Robert L

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 W4THC's current licensee, walking backwards.

  1. KA0RLBcancelled· G
    Bruns, Robert LMOgranted 2017-12-12cancelled 2019-12-31
  2. KE0PERcancelled· G
    Bruns, Robert LMOgranted 2017-11-21cancelled 2017-12-12

Successor callsigns

Callsigns held now by people who previously held W4THC.

  1. W4TFcancelled· E
    GERDES, CHARLES VFLgranted 2006-09-08cancelled 2014-08-18
← Back to W4THC License history →