This fact will certainly generate political and legal problems being connected with a potential introduction of SPS’s for Western Europe. These problems have to be analysed separately. II.1.3 Definition of Safety Zones around the Rectennas When the microwave beam being transmitted by a geosynchronous SPS arrives the Earth surface, a 10 km diameter circular part of it is considered worth to be received at 40° latitude. This circle is to be seen perpendicular to the incoming beam, the effects of different latitudes will be discussed in the next sub-section. The power density at the edges of the rectennas will 2 be 1 mW/cm with the currently proposed power density distribution within the beam. Fig. 1.2 shows the power density at the Fig.12: DEFINITION OF SAFETY ZONES
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