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Radio Propagation


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D-Region Absorption
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Created by PA4RM

Starting with the August issue, QST will list the recipients of W1AW Code Proficiency certificates. Key manufacturer Vibroplex now is sponsoring the certificates, which debut a new design. The Code Proficiency program has been an ARRL staple for decades. Participants who copy a W1AW qualifying run and submit 1 minute of legible solid copy and the $10 certificate fee can qualify.

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