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.


tubesmann Newbie

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Date Registered:
November 27, 2022, 1744 UTC
Local Time:
February 24, 2024, 2309 UTC
Last Active:
February 18, 2024, 2239 UTC

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