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

K5WRK callsign genealogy

Currently held by Kirkwood Iii, Walter R

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 K5WRK's current licensee, walking backwards.

  1. K5DNRactive· E
    SHAHAN, NICHOLAS JTXgranted 2025-08-22
  2. N5MEEcancelled· E
    SHAHAN, NICHOLAS JTXgranted 2017-03-20cancelled 2025-08-22
  3. KF6NIRcancelled· G
    SHAHAN, NICHOLAS JTXgranted 2008-04-11cancelled 2017-03-20

Successor callsigns

Callsigns held now by people who previously held K5WRK.

  1. K5DNRcancelled· E
    Kirkwood III, W RTXgranted 2018-01-05cancelled 2020-02-14
  2. W5IHCcancelled· G
    Kirkwood Iii, Walter RTXgranted 2009-03-27cancelled 2009-05-12

All historical holders

Every license row we've seen with the callsign K5WRK, oldest first.

  • Kirkwood Iii, Walter R TX
    2006-11-14 → cancelled 2009-03-27
  • Kirkwood III, W R TX
    2009-05-12 → cancelled 2018-01-05
  • Kirkwood III, W R TX
    2020-02-14 active
← Back to K5WRK License history →