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.

Summary

brevor Newbie

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Date Registered:
February 10, 2015, 0046 UTC
Local Time:
November 29, 2023, 0854 UTC
Last Active:
February 09, 2021, 0039 UTC

Item image   Simplified Practical Filter Design by Irving M. Gottlieb

 $14.95