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.


R319 Jr. Member

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Date Registered:
December 04, 2016, 1227 UTC
Local Time:
April 01, 2023, 1338 UTC
Last Active:
March 29, 2023, 1702 UTC

Item image   Design of Phased Locked Loop Circuits, With Experiments by Howard M. Berlin