Phoenix Mars Lander
Update 6th August 2007 Signal still detectable, not at all strong. The spacecraft is just over half a million miles away from earth.
Update 5th August 2007 Mars Phoenix Lander, launched on the 4th August 2007 has been received. Its transmitting on its Low Gain Antenna at the moment, receivable on 8402.611 + Doppler - this is 9KHZ below the calculated frequency.
The X-Band parameters are detailed below:
A diagram of the telecommunications subsystem:
An excellent document detailing the Phoenix Lander telecommunications is available here