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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April 14, 2019, 1540 UTC
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December 08, 2023, 2002 UTC
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Item image   SwitchMode Power Supply Handbook by Keith Billings