• 6,720 MW of beam power emitted towards the rectenna; • 6,580 MW reaches the rectenna due to atmospheric losses; • 5,790 MW of received microwave power to the rectifiers; • 5,150 MW of direct current to the converters; • 5,000 MW output to the power grid. Losses due to non-uniform power distribution at the transmitter are about 3.2%, and this low value can be further reduced. Losses due to energy conversion to microwaves are about 15% and can also be expected to fall as technology improves. Atmospheric losses are about 2% at 2,450 Mhz, and depend on frequency, humidity and precipitation. The major portion of the loss is in the receiving antenna, where 23% of the loss occurs. This is also expected to improve with more advanced technology.
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