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Old 14-Dec-2012, 8:11 PM   #7
GroundUrMast
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Join Date: Oct 2010
Location: Greater Seattle Area
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1.) If "coax converter" means 75Ω/300Ω matching transformer (AKA: balun), I would advise against connecting a second matching transformer to the antenna terminals. To do so would place too low an impedance on the antenna thus changing it's tuning and ability to transfer signal power to the coax. Use a common 2-way splitter.

2.) There may be some subtle directivity, you can try adjusting the aim. Don't expect a great difference though.

3.) There are commercial products... expect to pay $1500 & up for new. I have not done a recent search to be able to offer a specific recommendation.
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