(The Ground) airport
no more than 100 meters, play tennis, width not exceeding 70 metres in length not to exceed 22 meters to doors.. the length and width of the area to see the tree and play must be a rectangle.the space between the door to die must not be less than 10 m.Airport lineA. solid, consisting of a line of doors 22-metre line, center line pitch The line side of the airport.. dash 10 metre line line consists of 5 meters.The format of the pillars and doors and beams.Door width: 5.6 m pillar.. beam is placed between two pillars above the ground, 3 m.C. height of at least 3.4 meters from the antenna beam up.Discography. Cushion cover, next to the mast of the antenna when the door, must have a thickness not exceeding 300 mm.