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

KK0A callsign genealogy

Currently held by MATHESON, EARL 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 KK0A's current licensee, walking backwards.

  1. KK0AAcancelled· E
    SHAW II, ROBERT ACOgranted 2020-04-21cancelled 2021-09-14
  2. KF0YGcancelled· A
    SHAW II, ROBERT ACOgranted 2002-04-28cancelled 2010-05-21

Successor callsigns

Callsigns held now by people who previously held KK0A.

  1. KT7Ccancelled· E
    TOWNSEND, KENNETH EWAgranted 2019-08-24cancelled 2024-07-30
  2. AK7KTcancelled· E
    TOWNSEND, KENNETH EWAgranted 2017-04-18cancelled 2018-06-12

All historical holders

Every license row we've seen with the callsign KK0A, oldest first.

  • MATHESON, EARL E KS
    1996-03-28 → cancelled 2000-02-01
  • TOWNSEND, KENNETH E WA
    2016-08-03 → cancelled 2017-04-18
  • TOWNSEND, KENNETH E WA
    2018-06-12 → cancelled 2019-08-24
  • SHAW II, ROBERT A TX
    2021-09-14 active