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TV signal uniformity illustrated: trees, diffraction, reflection and multi-path

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The following article illustrates various cases of radio signal propagation. It helps you understand why moving your indoor antenna only a few centimeters could drastically improve reception. This analysis is from 2005, however radio propagation rarely follows trends - instead it dully stays the same every year. HDTV Primer: Choosing a mounting site See the linked site for more great illustration

Disable text drag and drop in browser

I have never in my life got any use out of moving text by drag and dropping of selection inside a textbox. However, it has messed up my texts on numerous occasions, of which I might not have noticed it on every instance. Do you know which wise guy's idea it was to standardize on this? Stack Overflow: disable text drag and drop