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

K5QB callsign genealogy

Currently held by ASSOCIATION OF QUIET BIRDMEN

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 K5QB's current licensee, walking backwards.

  1. WZ8Qactive· E
    SCHAD, RANDALL AOHgranted 2023-02-04
  2. KE8WFOcancelled· E
    SCHAD, RANDY AOHgranted 2022-12-21cancelled 2023-02-04

Successor callsigns

Callsigns held now by people who previously held K5QB.

  1. K9FAactive· E
    STOPCZYK, JAROSLAWILgranted 2018-11-24
  2. KC9DMcancelled· E
    Mende, Darren PILgranted 2015-09-01cancelled 2015-12-12

All historical holders

Every license row we've seen with the callsign K5QB, oldest first.

  • ASSOCIATION OF QUIET BIRDMEN TX
    1997-04-08 → cancelled 2009-04-09
  • Mende, Darren P TX
    2009-05-08 → cancelled 2015-09-01
  • STOPCZYK, JAROSLAW TX
    2017-09-23 → cancelled 2018-11-24
  • Watson, Tom L TX
    2020-12-15 active
← Back to K5QB License history →