Antenna Gain

[species8350]

I have Yagi type tv antenna that has excellent forward gain.

I would like to sacrifice some of the forward gain to increase the gan at the rear.

Can anyone suggest a simple way of blocking some the directors (without removing them) in the hope of increasing the gain at the rear?

Thanks

[teleview]

What is the make and model number of the antenna??

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What antenna picture looks the most like the antenna??
http://www.kyes.com/antenna/pointing/pointing.html.

[GroundUrMast]

Your previous thread: http://forum.tvfool.com/showthread.php?t=7872

Are you attempting to receive signals that arrive from opposite points of the compass? Or as in your previous thread, are the signals of interest aprox. 90° apart?