Calian SED provided the RF Equipment (RFE) for MexSat’s next generation of satellites under contract to Boeing. The new satellites depend on Ground-Based Beam Forming (GBBF) to deliver a variety of voice and data services across Mexico. This system included the installation of two antennas each at Mexico City and Hermosillo, Mexico.
Each RFE provides the communications traffic-carrying feeder links to both satellites, as well as TT&C capabilities. Each station has a dedicated 11.1m primary antenna per satellite with a single 9.0m antenna provided for redundancy. The uplink and downlink RF chains also feature highly redundant systems to achieve exceptional system availability.
The RFE interfaces with the GBBF at L-band and uses a single stage of frequency conversion to and from RF that is phase coherent across polarizations. The RF uplinks are optimized for NPR performance at high power levels and feature industry-leading spurious performance.
A Reference and Spectrum Monitoring System (RSMS) provides comprehensive self-monitoring capabilities using an enhanced version of Calian SED’s Decimator product. The user interface to the system is Calian SED’s Mon-A-Co™ M&C product for localized control at each station and centralized control at MexSat’s Network Operations Center.