IV-C-6-6 WEIGHT, COST, EFFICIENCY An estimate of weight, cost, and power loss for the microwave antenna power distribution system is summarized in Table IV-C-6-2. The conductor weights were calculated by determining the lengths then sizing the wire to give a minimal yet reasonable voltage drop. The wire and switch gear cost and the switch gear weight were interpolated from the Raytheon report, "Microwave Power Transmission Studies" (NASA CR-134886). The efficiency, E, of the power distribution system was calculated to be 98% using the formula
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