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Callisto poursuit sa collaboration avec le CNES

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Callisto réalise actuellement une seconde étude pour le CNES, cette fois dans le cadre des Etudes Métiers attribuées au service Antennes.
Cette étude concerne la définition d’une méthode de caractérisation du G/T d’antennes actives adaptée à des mesures en BCMA (Base Compacte de Mesures d’Antennes du CNES).
Callisto a défini une méthode originale pour la mesure du G/T de stations sol et a déjà développé un système correspondant, appelé NTMS (Noise Temperature Measurement System) dans le cadre d’une étude ESA. L’objet de cette étude est de proposer une évolution de ce système pour convenir au besoin formulé par le CNES.

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Callisto New Equipment

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Callisto is proud to announce its aquisition of a new vector network analyzer ( VNA). The new VNA operates from 10 MHz to 20 GHz.

With this new equipment, Callisto will be able to improve testing in terms of accuracy and efficiency. We also hope of expand our product base and offer services in new markets.

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Callisto wins a major contract from the Indian Space Research Organisation

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Callisto is pleased to announce that it has been awarded a major contract from the Indian Space Research Organisation (ISRO).

The contract is for the supply of a cryo-cooled low noise amplifier system for a satellite ground station and the contract has been awarded by the ISRO Telemetry, Tracking & Command Network (ISTRAC) located in Bangalore. ISTRAC is responsible for the development and operation of a worldwide network of ground stations to support of India’s space programme. ISTRAC has recently embarked on the development of a new ground station for scientific satellites, which will be sent out of Earth orbit to explore the solar system, so called “Deep Space” missions. For these Deep Space missions a very sensitive ground station is required featuring a large antenna and needing very sensitive cryo-cooled low noise amplifiers.

Callisto a remporté un important contrat avec l’ISRO ( Indian Space Research Organisation).

Ce contrat a été signé avec l’ISTRAC ( ISRO Telemetry, Tracking & Command Network) basé à Bangalore et porte sur la livraison d’un système d’amplificateur cryogénique faible bruit pour une station sol. L’ISTRAC est en charge du développement et de l’opération du réseau mondial de stations sol qui interviennent dans le programme spatial indien. L’ISTRAC s’est récemment lancé dans le développement d’une nouvelle station sol pour les satellites scientifiques qui seront envoyés hors de l’orbite terrestre pour explorer le système solaire, dans le cadre de missions dites “lointaines”. Ce type de mission lointaine nécessite une station sol très sensible, avec une grande antenne et des amplificateurs cryogéniques faible bruit très sensibles.

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Callisto will be present later this month at ESA’s Industry Space Days 2006

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Callisto will be present later this month at ESA’s Industry Space Days 2006 from 29 to 31 May at ESTEC, the European Space Research and Technology Centre in the Netherlands.

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Study on the use of 25.5-27 Ghz band in ESA ground stations

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Callisto is proud to announce the award of a new study for the European Space Agency.

The objective is to study the feasibility of modifications of the existing ESA DSA1 and DSA 2 antennas to support an additional downlink frequency around 26 GHz. The study must consider all aspects of the front-end system design including the antenna, beam waveguide, dichroics and feeds, LNAs, downconverters, demodulation and communications aspects.

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Ground Station Consultancy to EUMETSAT for a further 3 years

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Callisto is pleased to have been awarded a three year consultancy contract from EUMETSAT to provided engineering consultancy on the EUMETSAT satellite Ground Station network.
The award of this contract will extend the involvement with the development and operation of EUMETSAT’s Ground Stations which Callisto has had since 1993.

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Three 77K Cryo Cooled X Band LNAs

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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.

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Spare S Band Cryogenic LNA for New Norcia

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Callisto is proud to announce further work orders with ESOC for 2006 : the provision of a spare S Band Cryogenic LNA for the New Norcia Station.

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Callisto and the new deep space radio antenna in Cebreros

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CALLISTO was proud to join the companies invited by ESA for the inauguration of their new tracking station in Cebreros, Spain, on 28 September.

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