Callisto is proud to announce further work orders with ESOC for 2006 : the provision of a set of three cryogenic X Band LNAs for the Kourou ESTRACK station. ESOC requires to improve the G/T of the Kourou 15m ESTRACK antenna in X Band to be able to support Deep Space missions. By using the 77K compact cryo LNA the G/T should be improved by between 1.5 and 2dB.