Antenna apparatus and associated methods

An antenna apparatus comprising:

• an antenna feed;
• a radio frequency (RF) receiver connected to the antenna feed;
• a main reflector for reflecting received RF signals to the antenna feed along a received signal path;
• a sub-reflector positioned in the received signal path for reflecting received RF signals from the main reflector to the antenna feed;
• a body movable in the received signal path for blocking received RF signals;
• and
• a tracking controller connected to the RF receiver for generating an antenna pointing control signal based upon modulated received RF signals.

A tracking apparatus for a reflector antenna including an antenna feed, a radio frequency (RF) receiver connected to the antenna feed, and a main reflector for reflecting received RF signals to the antenna feed along a received signal path, the tracking device comprising:

• a body movable in the received signal path and having at least one predetermined characteristic to modulate received RF signals;
• a drive for moving the body in the received signal path;
• and
• a tracking controller for connection to the RF receiver for generating an antenna pointing control signal based upon modulated received RF signals.