Challenger Communications 6.3 Meter Prime Focus Antenna is manufactured in the United States and is the symbol of quality in the antenna industry. Contoured petals with matched radial beams and hub assembly ensure easy installation without field alignment. NO CRANE NEEDED! Two persons can install this antenna using only a ladder. Reflector consists of 16 draw die formed petals. Radial beams are constructed of aluminum. The contoured petals and outboard skirts are powder coated. Stainless steel hardware is included.