Two antenna on the same plane and the same polarization

Hi evreyone

I am looking for 2 planar array antenna on the same ground
first in x-band second ku-band with the "same linear polarization"
not orthogonal. and less then -15db isolation.

THANKS

Try aperture coupled arrays. u can feed one set from one side and the other from the other side.they can even go to gether, but it couse a little problem in upper frequencies.
hope it helps.

urs, mamadreza