<p>Control system elements for telemetry:</p>

<ol>
	<li>Sensing the movement of the satellite</li>
	<li>Sensing the power of the received radio signal&nbsp;</li>
	<li>Create command signal&nbsp;</li>
	<li>Compare with actual signal received with command</li>
	<li>Move the actuator to reduce the error.</li>
</ol>