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

K4QM callsign genealogy

Currently held by Aspinall, David A

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 K4QM's current licensee, walking backwards.

  1. N4EVactive· E
    VOLLMAN, ERIC JTNgranted 2023-07-11
  2. KA4EJVcancelled· E
    VOLLMAN, ERIC JTNgranted 2022-07-06cancelled 2023-07-11
  3. KE4RGFcancelled· T
    VOLLMAN, ERIC JTNgranted 2014-07-09cancelled 2022-07-06

Successor callsigns

Callsigns held now by people who previously held K4QM.

  1. N4EVcancelled· E
    Brantley, Winfield CTNgranted 2019-06-08cancelled 2021-06-17
  2. N2SVcancelled· E
    VOIGT, STEPHEN BNYgranted 2012-08-02cancelled 2013-12-20

All historical holders

Every license row we've seen with the callsign K4QM, oldest first.

  • ROACH, ISAAC FL
    1998-03-10 → cancelled 1999-07-03
  • VOIGT, STEPHEN B VA
    2001-07-26 → cancelled 2002-10-29
  • Aspinall, David A GA
    2014-10-29 → cancelled 2015-12-22
  • Brantley, Winfield C SC
    2017-12-12 → cancelled 2019-06-08
  • Brantley, Winfield C TN
    2021-06-17 active
← Back to K4QM License history →