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I consider the DB8E to be the current leader of all the consumer grade high performance UHF antennas. (Removal of the reflectors will significantly reduce the performance of the antenna. If you opt to try this, be careful to retain the reflectors so that they can be reinstalled with machine screws & nuts.)
The Y10713 gets that title in the H-VHF class.
Your TVFR suggests that you may see some benefit from dedicating a preamp to each antenna, combine using a UVSJ down-stream of the preamp power insertion blocks. (At best this will only net between 0.5 and 1.0 dB of net noise margin improvement over a system that combines up-stream of a single preamp.)
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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; 25-Jan-2015 at 1:16 AM.
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