The force of gravity on Mercury is less than the Earth because?
Yes! it can be hit by a lightening. Generally the antenna is fitted at a height for good reception. the lightening does not strike directly to the antenna but the tall tree near by building can attract the lightening and then it finds antenna another good conductor for easy grounding. It has been seen that clouds comes down very low during rainy season. Clouds heavily charged up with +ve when comes closer to high building or tall trees fines easy path to discharge to the ground.
Depleted /faq/99007/0/what-is-the-golden-ratio/ This discourages standing waves which will cause undesirable performance characteristics such as large peaks in the response curve. As far as getting into exactly how the size, shape and build quality of an enclosure effects performance, well that would be an awful lot of typing and there are plenty of books and web sites that deal with the subject. I'll leave you and Google to find them.
