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Current gray-line
Current Gray-Line Position on EarthThe current gray-line on a world topographical mapGray-line Importance to Propagation Special ionospheric propagation conditions often exist between two or more stations simultaneously located on the gray-line transition between daylight and darkness. The current gray-line position is depicted on this topographical world map. (Allow a few seconds for current-position calculations, image creation, and image loading.)
Also See: This page was last modified: Mon, 01 Feb 2010 22:36:56 GMT
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