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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

W4RKB callsign genealogy

Currently held by Brubaker, Roger K

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 W4RKB's current licensee, walking backwards.

  1. N5THCactive· G
    Arnouville, MatthewLAgranted 2019-02-01
  2. KG5VJCcancelled· G
    Arnouville, MatthewLAgranted 2017-10-16cancelled 2019-02-01

Successor callsigns

Callsigns held now by people who previously held W4RKB.

  1. W7HFScancelled· E
    Brubaker, Roger KVAgranted 2015-05-16cancelled 2018-12-27

All historical holders

Every license row we've seen with the callsign W4RKB, oldest first.

  • ANDERSON, JOE A FL
    1999-05-05 → cancelled 2011-05-06
  • Brubaker, Roger K OR
    2014-01-10 → cancelled 2015-05-16
← Back to W4RKB License history →