A support structure apparatus for a reflector antenna having a main reflector. The support structure includes a plurality of sub-brackets and a main bracket. The sub-brackets each having a plurality of main reflector connection points and a main bracket connection point. A plurality of fasteners used to join the main reflector to the sub-brackets and the sub-brackets to the main reflector swivel when loose and become rigid when fastened. Fasteners between the sub-bracket and the main bracket may be replaced with captive screws or motors with threaded shafts to provide azimuth/elevation adjustment functionality to the support structure.