Our consultancy services include space communication systems and ground station engineering services:

Independent Advice

Callisto is a small consultancy company which is totally independent of any equipment manufacturing company or Systems company. This ensures that the client can depend on totally objective advice and analysis. The small size means that the client enjoys a fully dedicated service with flexibility to meet the client's requirements.

Range of Services

Callisto was founded in 1993 with presence in the UK, France and Germany. Over this time, Callisto has undertaken a wide range of engineering consulting projects, building a reputation as a highly skilled partner to satellite operators, integrators and equipment manufacturers.

Callisto can provide technical consultancy services in subjects related to SATCOMS and satellite ground station projects including:

• Telecommunications Link Analysis
• Space project mission analysis
• Feasibility studies and budgetary planning studies
• Ground station configuration analysis
• Preparation of ground station specifications
• Equipment market surveys and equipment specification/selection
• Ground station project support in planning and project monitoring
• System, subsystem, equipment acceptance testing
• System upgrade and modification studies

Depth of Technical Expertise

Callisto can provide expertise across the full range of technologies found in satellite ground systems including:

• Antenna system and RF/microwave equipment.
• Frequency translation equipment
• IF receivers, modulators and demodulators
• Baseband equipment; bit synchroniser, TM/TC processors, ranging systems, codecs.
• Spread Spectrum techniques.
• Terrestrial data communications equipment.
• Automatic monitor and control systems.
• Test equipment and automatic test facilities.

Client Track Record

Callisto has worked with the major satellite players in the market including: EUMETSAT, Inmarsat, European Space Agency, Square Kilometer Array Program Office, Galileo, French National Space Agency (CNES) and others.

Applications and Sectors

Callisto has conducted consulting projects for ground stations in the following sectors:

• Deep Space Communications
• Earth Observation
• Radio-astronomy
• Navigation

The Experience Which Counts

Past System Engineering Projects

• EUMETSAT Third Generation Ground Stations, Adoption of 26GHz Standard
• EUMETSAT Study on the Feasibility of Multi-Satellite Antennas for MTG MDA Stations
• Study on Future Architecture of ESA Deep Space Stations
• Study on Fade Mitigation Techniques in K-Band SATCOMs
• Study on G/T Measurement Techniques for Ka Band Active Array Antennas
• Study on the use of 25.5-27GHz Band in ESA ground stations
• ESA’s Villafranca 12m Antenna Upgrade to Ka band
• METEOSAT Second Generation Ground Stations.
• Mission Analysis Studies and CCSDS Bandwidth Efficient Modulation Schemes
• CDMA Communications studies
• European Polar Satellite Ground Station
• VIL-4 Antenna X/Ka Upgrade for Deep Space Missions.
• METEOSAT Primary and Backup Ground Stations.

Past Equipment Engineering Projects

• DSP consultancy for high performance baseband equipment.
• Large Antenna Simulation and Analysis.
• Galileo ground modems definition and specification.
• Support for R&D contracts involved with next generation X/Ka band antennas.
• Support for procurement of BPSK demodulators for ENVISAT.
• Support for METEOSAT SVT equipment procurement and commissioning.
• Baseband equipment compatibility testing for MSG.

Further Consultancy Sections

• System Studies
• Cryogenic Engineering
• Digital Signal Process
• Antenna Engineering