Which of the following statements concerning INMARSAT geostationary satellites is true?

The statement that INMARSAT geostationary satellites provide coverage to vessels in nearly all of the world's navigable waters is accurate because these satellites are designed specifically to support marine communication. They operate in geostationary orbits, meaning they stay in a fixed position relative to the Earth, which allows them to provide continuous coverage over large areas, including oceans and major waterways. This capability is crucial for maritime users, including commercial shipping, fishing vessels, and recreational boats that require reliable communication and tracking while at sea.

The coverage provided by INMARSAT satellites extends beyond just coastal areas, allowing users to remain connected even when they are far off the coast. This functionality is particularly essential for ensuring safety and operational efficiency in maritime navigation. Each satellite has a broad coverage footprint, which is advantageous for vessels transiting through various international waters. Thus, the ability to communicate while on the move across vast expanses of water enhances shipping operations and ensures that seafarers have access to essential communication services.