TheImmortal
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GaAs or GaN based?
Iran likes to do a mixture of PESA/AESA GaA/GAN because it allows more production of radars (and AD batteries) and cheaper operating costs.
Some radars are very expensive (even for Iran) to keep on, thus they are turned on only when critical or a certain intervals. Thus you need to take a cost effective approach. Also not all radar spots need the most expensive radar.
People think AESA vs PESA is like it is in the air for airforce and that is not true. There is way too much ground to cover and way too many air defense batteries to make everything high end expensive to operate radar.
Have to be smart and mix and match based on your needs and layer your AD rings/spheres smartly.