waveguide horn array antenna

hi guys
recently am doing a waveguide horn array antenna,could u give me some advice or e-books?any help is very greatful.
thnx in advance!
Tomsin

Best e-book is the Google. By array-antenna, are you looking to build a Phased Array? Or just using multiple arrays to increase directivity and gain? I would've gone for Helical however...

[QUOTE=Nasser750gx;1414458]Best e-book is the Google. By array-antenna, are you looking to build a Phased Array? Or just using multiple arrays to increase directivity and gain? I would've gone for Helical however...[/QUOTE]

you made a lot of assumptions without knowing any additional info, say, for example ... frequency of interest

[QUOTE=davenn;1414508]Good point, what is the intended frequency?