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Radio Propagation


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D-Region Absorption
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Created by PA4RM

Tick-tock! Time is running short to bid on the more than 230 Amateur Radio items on the block in the 14th annual ARRL Online Auction. Bidding ends at 10 PM EDT on Thursday, October 24 (Friday, October 25, at 0200 UTC).

Auction items include lab-tested QST “Product Review” gear, vintage books, used equipment, and one-of-a-kind items. Some of the premier “Product Review” items on the block includ...

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