If you have 10x the antenna area, you need 10x the antenna elements with appropriate phasing... else you suffer from the thinned array curse and lose lots of po

If you have 10x the antenna area, you need 10x the antenna elements with appropriate phasing... else you suffer from the thinned array curse and lose lots of power in side lobes. https://en.wikipedia.org/wiki/Thinned-array_curse https://en.wikipedia.org/wiki/Thinned-array_curse