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

KE9K callsign genealogy

Currently held by PLANCK, WILLIAM D

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 KE9K's current licensee, walking backwards.

  1. K9WITactive· E
    Rector, MichaelCOgranted 2018-08-21
  2. KD0OZZcancelled· E
    Rector, MichaelCOgranted 2011-06-23cancelled 2018-08-21

Successor callsigns

Callsigns held now by people who previously held KE9K.

  1. K9KZactive· E
    PLANCK, WILLIAM DINgranted 2025-05-13
  2. WB9RZOexpired· E
    BERTRAND, PAUL KILgranted 1996-08-09cancelled 2008-08-12

All historical holders

Every license row we've seen with the callsign KE9K, oldest first.

  • PLANCK, WILLIAM D IN
    2001-05-11 → cancelled 2002-12-27
  • CANNOVA, JOSEPH S IL
    2015-03-25 active
← Back to KE9K License history →