uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K9QW callsign genealogy

Currently held by TINKER, MATTHEW E

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 K9QW's current licensee, walking backwards.

  1. KC9ZQWcancelled· E
    Sandor, Edward WILgranted 2023-08-11cancelled 2024-03-22

Successor callsigns

Callsigns held now by people who previously held K9QW.

  1. W9RYactive· E
    Beebe, Thomas HILgranted 2022-10-06
  2. KO9Mactive· E
    Marek, FilipNCgranted 2022-03-01
  3. AA9XAactive· E
    TINKER, MATTHEW EINgranted 2018-11-24

All historical holders

Every license row we've seen with the callsign K9QW, oldest first.

  • Beebe, Thomas H IL
    2012-03-01 → cancelled 2012-12-28
  • TINKER, MATTHEW E IN
    2015-01-16 → cancelled 2018-11-24
  • Marek, Filip IL
    2020-12-15 → cancelled 2022-03-01
  • Sandor, Edward W IL
    2024-03-22 active
← Back to K9QW License history →