| http://www.w3.org/ns/prov#value | - For example, the antenna 400'as shown in Fig. 7C can be made to be provide directional transmission and/or receipt of microwaves by making only a portion, such as one side of the transitional periphery 411', have a generally smooth transition so that transmission and/or reception is improved in that direction, to the right side of Fig. 7C. For such antenna construction, the shield 450'should be ex
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