Link Budget Calculations for A Satellite Link with An Electronically Steerable Antenna Terminal

This paper shows you how to calculate the link budget for a satellite link that uses a flat panel, electronically steerable antenna (ESA) at the user terminal in mobility and fixed configurations. Before performing some example calculations, we’ll first look briefly at the differences between a traditional parabolic dish antenna and an ESA, define three basic types of link budgets, and then identify the basic components of a satellite link and their associated gains and losses.

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