Equations for phased antenna array gain and aperture

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linear_shift
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What are the equations for a phased antenna array due to:

1. Individual element gain and the number of elements
2. Aperture of the array

I have been googling these for god knows how long and can't find the slightest hint, except the site Microwaves 101 (http://www.microwaves101.com/), which left out the f-ing equation I described in number one. I am building a phased array radio telescope for the UHF band (out of TV antennas) and am in dire need of these equations. Thanks, ls.
 

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There's some math and other links at the wikipedia.org entry:

http://en.wikipedia.org/wiki/Phased_array

I haven't worked with arrays much, but my Antenna book by Stutzman and Thiele has a pretty good section in it. Do you have access to this book, or any other antenna books?