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Radio Propagation


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D-Region Absorption
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Created by PA4RM

Dayton Hamvention® 2019, host of the ARRL National Convention, will mark the debut of a free mobile event app to help attendees navigate the extensive Hamvention program, activities, and exhibits using their smartphones or tablets. A collaborative effort between ARRL and Dayton Hamvention, the app was developed by TripBuilder Media™. ARRL Convention and Event Coordinator Eric Casey, KC2ERC, has...

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