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.


paul9800 Jr. Member

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Date Registered:
October 06, 2012, 2308 UTC
Local Time:
May 28, 2023, 1942 UTC
Last Active:
June 07, 2015, 1436 UTC

Item image   Ionization Chambers And Counters by Bruno B. Rossi and Hans H. Staub