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

W7CLK callsign genealogy

Currently held by KUMMER, CHARLES L

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 W7CLK's current licensee, walking backwards.

  1. KE7EZactive· E
    Kephart, James FWAgranted 2024-08-27
  2. KE4RDactive· E
    Downs, Roger CTNgranted 2022-09-16
  3. KO4RCDcancelled· E
    Downs 802, Roger CTNgranted 2020-05-27cancelled 2022-09-16
  4. KO4CWUcancelled· T
    Downs, Roger CTNgranted 2020-03-23cancelled 2020-05-27

Successor callsigns

Callsigns held now by people who previously held W7CLK.

No current licensee on record previously held this callsign.

← Back to W7CLK License history →