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

W7DTL callsign genealogy

Currently held by Potyka, Richard 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 W7DTL's current licensee, walking backwards.

  1. KA0DTLcancelled· E
    Henke Jr, Donald EMOgranted 2018-03-20cancelled 2018-10-02
  2. KE0OPTcancelled· E
    Henke Jr, Donald EMOgranted 2017-10-05cancelled 2018-03-20

Successor callsigns

Callsigns held now by people who previously held W7DTL.

  1. W0DSSactive· E
    Henke 280, Don EMOgranted 2019-10-01

All historical holders

Every license row we've seen with the callsign W7DTL, oldest first.

  • Potyka, Richard L TX
    2004-02-27 → cancelled 2016-05-25
  • Henke 280, Don E MO
    2018-10-02 → cancelled 2019-10-01
← Back to W7DTL License history →