Mars Odyssey

Update 27th March 2018 Odyssey detected after 2 years!

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Update July 2016 Signals received from Odyssey, not at all strong but certainly easy to detect:

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Update May 2014 Another two detection sucesses with signals received on the 25th and 11th May.

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Update 23rd December 2007 After reading success stories from the Amateur-DSN yahoo group on Odyssey reception, it was checked and found to be a good signal on 8406.785MHz, as the FFT below shows:

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Update 11th April 2006 Mars Odyssey have finally been received using the 1.8m dish antenna - thanks goes to DSN guru Bertrand F5PL in France for his frequency commentary which allowed this signal to be located - this signal is by far the weakest seen so far, and in fact redefines the use of the words 'weak signals'

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The above image shows the Doppler trace from Odyssey - its highlighted with the two yellow lines to help see it, as its very weak. At the time this FFT was made (note FFT time is local BST - GMT +1), the receive frequency was 8406.3635 MHz. This isn't a bad signal when you consider that Mars is 162,148,081.68 miles away and the Odyssey space craft uses a 1.3m High Gain Antenna fed with 15 watts of power!