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.


Radio Spaceshuttle Jr. Member

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Date Registered:
March 09, 2013, 1921 UTC
Local Time:
March 29, 2023, 0004 UTC
Last Active:
September 17, 2019, 1653 UTC

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