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 permissible in your locale.


HarryHydro Newbie

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Date Registered:
April 09, 2019, 0000 UTC
Local Time:
March 01, 2024, 1404 UTC
Last Active:
February 26, 2024, 0358 UTC

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