Calian GNSS is a leading producer of high-performance GNSS antennas and related products that are focused on the requirements for precision and multi-constellational GNSS receivers, offering a wide range of high-performance products in many formats to specifically address the requirements of most GNSS applications, including Globalstar and Iridium SATCOM. They pride themselves in producing the very best antennas available in the mid-range market segment.