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

K9BIR callsign genealogy

Currently held by Bir, Justin 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 K9BIR's current licensee, walking backwards.

  1. KE8GMMcancelled· G
    Bir, Justin LOHgranted 2017-03-28cancelled 2017-04-18

Successor callsigns

Callsigns held now by people who previously held K9BIR.

  1. W9EGactive· E
    SPEARMAN, GERALD LILgranted 2015-01-01
  2. W9EGcancelled· E
    SPEARMAN, GERALD LILgranted 2000-06-02cancelled 2004-08-24

All historical holders

Every license row we've seen with the callsign K9BIR, oldest first.

  • SPEARMAN, GERALD L IL
    1993-01-05 → cancelled 2000-06-02
  • SPEARMAN, GERALD L IL
    2004-08-24 → cancelled 2005-03-02
  • Bir, Justin L OH
    2017-04-18 active
← Back to K9BIR License history →