We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissable in your locale.


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Date Registered:
July 20, 2020, 2319 UTC
Local Time:
May 30, 2023, 2145 UTC
Last Active:
November 16, 2020, 1948 UTC

Item image   Communications Receivers - Principles & Design by Ulrich L. Rohde and TTN Bucher