... indentical area, and it has overcome lightning-protection problems in the external space of bulk storage plant and hugebuildings. By so ... is 6750mm, levelness of steel mesh is ±5mm; the distance from antenna top to the plane of main part is 1165mm; height and ... , Huangshan Branch of Anhui Airport Group, Wuhai Airport Co. Ltd., The Third Research Institution of Air Force, Zhengding Airport of Civil ...