NCATT Radio Communication Systems Complete Practice Test 2025

Iridium Communications LLC, Inc. is the correct answer because it is the company that operates the Iridium satellite network, which provides voice and data communication services globally through its constellation of low Earth orbit satellites. Iridium was specifically designed to offer reliable communication services in areas where traditional terrestrial communication infrastructure may be unavailable or unreliable, such as remote locations and oceans.

The other options refer to companies that either do not exist or are not directly associated with the operation and provision of services for Iridium's satellite communication systems. Iridium Communications LLC is the key entity behind the Iridium system and is recognized for its wide-ranging capabilities, including maritime, aviation, and land-based communication. This comprehensive service enablement aligns with the intended use of their satellite technology, thereby confirming its significance in the satellite communication industry.