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Fixed Satellite Service Satellite Design

International rights to geostationary orbital slots are vital to FSS operators that need to reach the most promising markets. The orbital arc is becoming congested with more satellites utilizing the traditional C- and Ku-band frequencies, which raises the importance of careful coordination among various satellite systems to avoid interference. This also helps drive the need…

Satellite Design

The FSS and MSS industries had served their discrete markets using unique capabilities, but advancing technologies and evolving market conditions have eroded much of the contrast between these two services. Terrestrial mobile telephony has expanded greatly around the world, reducing the MSS advantage in voice connectivity and driving the need for operators to expand their…

Mobile Satellite Service Orbits

The MSS sector was created to address a specific market that was underserved by FSS: maritime voice and data, enabling emergency communications for ships at sea. Subsequent MSS systems tried to create ubiquitous coverage for land and sea customers, especially in areas that were underserved by terrestrial mobile telephony. For years, MSS systems were designed using satellites in GEO or LEO that were able to transmit low-data rate information to mobile receiving systems, such as satellite telephones or receiving stations on ships.