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Xantek DX Edge
Slide Rule


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DX Edge

The DX Edge is an invaluable aid to the serious DXer who wants to understand and utilize dark path propagation and gray line effect. The DX Edge is a slide-rule device allowing you to determine quickly and easily those areas of the world that are in daylight and those in darkness at any time of day, any month of the year. It will help you: determine from what direction DX signals are coming, determine what parts of the globe are in darkness, determine sunrise/sunset times, determine gray line path - all without tables, charts or calculations!

The DX Edge consists of a full color carrier and a set of 12 transparent slides (one for each month). A holder and full directions are also provided. Plastic carrier is 12 x 4 inches. Slides are 6 x 4 inches. Made in USA.

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