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

W5IRU callsign genealogy

Currently held by ROBINSON, KIRBY J

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 W5IRU's current licensee, walking backwards.

  1. KR5Uactive· E
    Holden, Eric CTXgranted 2020-08-14
  2. KF5MPScancelled· E
    Holden, Eric CTXgranted 2011-09-07cancelled 2020-08-14

Successor callsigns

Callsigns held now by people who previously held W5IRU.

  1. KR5Ucancelled· E
    ROBINSON, KIRBY JTXgranted 2012-09-20cancelled 2018-07-24
  2. KR5Ucancelled· E
    ROBINSON, KIRBY JTXgranted 2000-07-04cancelled 2002-04-10

All historical holders

Every license row we've seen with the callsign W5IRU, oldest first.

  • ROBINSON, KIRBY J TX
    1994-04-05 → cancelled 2000-07-04
  • ROBINSON, KIRBY J TX
    2002-04-10 → cancelled 2002-10-22
  • ROBINSON, KIRBY J TX
    2018-07-24 active
← Back to W5IRU License history →