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Would I be better to duplicate the 5-element YAGI and use stacking bars?
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That depends on what you are trying to accomplish. If you simply need more forward gain, stacking may not be the best choice. Stacking can produce more gain, but it can also be useful when you need to produce a tighter directional pattern. For example, you may need to reject co-channel or adjacent channel interference.
Stacking is almost always done with identical antennas, and offers an increase in forward gain of 3 dB minus the losses due to combining. Combining losses can easily exceed 3 dB depending on the method used.
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If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)
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Last edited by GroundUrMast; 20-Apr-2011 at 9:19 PM.
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