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

K9XLX callsign genealogy

Currently held by Parker, Richard M

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 K9XLX's current licensee, walking backwards.

  1. KD9OCKactive· T
    Zimmerman, Russell AWIgranted 2021-03-23

Successor callsigns

Callsigns held now by people who previously held K9XLX.

  1. KD9OCKactive· T
    Zimmerman, Russell AWIgranted 2021-03-23

All historical holders

Every license row we've seen with the callsign K9XLX, oldest first.

  • Parker, Richard M IL
    2006-06-10 → cancelled 2018-06-12
  • Zimmerman, Russell A WI
    2020-12-29 → cancelled 2021-03-23
← Back to K9XLX License history →