Dawn was launched by NASA on the 27th of September 2007 with a final destination of the asteroid Ceres which it is currently in orbit around.
Key Dates during Dawn's mission:
- Launch 27 September 2007
- Mars gravity assist February 2009
- Vesta arrival August 2011
- Vesta departure May 2012
- Ceres arrival February 2015
- End of primary mission July 2015
Telecommunications block diagram:
It is recommended that the NASA book on Dawn is read, you can find it here
Signal received from Dawn on the 7th May 2015:
The FFT corresponding to the above audio sample is shown below:
The FFT Image gallery below shows some of the signals received from the Dawn spacecraft over the years.