One solution, which I have posted about before, is the swash plate radar (also here), and the Russians are looking at mounting an AESA Radar on a conventional (though likely beefed up) radar actuators, and now we have radar mount that uses two oblique rotary bearings, rather like the 3 bearing nozzle on the STOVL version of the F-35 engine exhaust, to get off axis performance approaching that of conventional planar array radars.
One of the advantages appears to be that it avoids antenna polarization issues, and another advantage would be that conventional connectors for power, signal, and cooling could be used.
The original concept would have required slip rings and rotary fittings, which would likely have been maintenance headaches.
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