Which term is described as a commercially available mobile SATCOM service?

• A. Scintillation
• B. SAR
• C. BGAN description
• D. GAR

Answer: (C)

This question tests your ability to identify a commercially available mobile satellite communications service. BGAN stands for Broadband Global Area Network, a service from Inmarsat that provides portable, mobile satellite connectivity for internet and voice anywhere satellite coverage exists. It’s specifically designed for mobility and field use, making it the practical, consumer-facing option among the choices. The other terms refer to something different: scintillation is a propagation effect in the ionosphere, SAR is a radar imaging technique, and GAR isn’t a standard term for a commercial mobile SATCOM service. So, the term that represents a readily available mobile SATCOM service is BGAN.