When Inmarsat-B and Inmarsat-C terminals are compared?

When Inmarsat-B and Inmarsat-C terminals are compared?

• A. Inmarsat-B antennas are larger, but omni-directional, while Inmarsat-C antennas are smaller and parabolic, for aiming at the satellite.
• B. Inmarsat-B antennas are parabolic and smaller for higher gain, while Inmarsat-C antennas are larger but omni-directional.
• C. Inmarsat-C antennas are smaller, but omni-directional, while Inmarsat-B antennas are parabolic for lower gain.
• D. Inmarsat-B antennas are larger, but directional for higher gain, while Inmarsat-C antennas are smaller and non-parabolic, and do not require aiming at the satellite.

Answer: (D)

The correct response highlights that Inmarsat-B antennas are larger and designed to be directional, which is crucial for achieving higher gain. Directional antennas, by focusing the radio waves in a specific direction, enable better communication performance, especially over longer distances or in environments with potential signal interference. On the other hand, Inmarsat-C antennas being smaller and non-parabolic are designed to be omni-directional. This means they can communicate effectively without needing precise alignment towards the satellite. Their design allows for easy installation and operation, making them particularly suitable for mobile or emergency communication where quick setup is essential. Inmarsat-B systems cater to applications requiring more substantial bandwidth and data rates, which is facilitated by the directional nature of the antennas. In contrast, Inmarsat-C systems are often used for simpler, lower-bandwidth applications, hence the need for an antenna system that does not require aiming. Understanding these distinctions clarifies why the described characteristics in the chosen answer accurately reflect the operational differences between Inmarsat-B and Inmarsat-C systems.

The correct response highlights that Inmarsat-B antennas are larger and designed to be directional, which is crucial for achieving higher gain. Directional antennas, by focusing the radio waves in a specific direction, enable better communication performance, especially over longer distances or in environments with potential signal interference.

On the other hand, Inmarsat-C antennas being smaller and non-parabolic are designed to be omni-directional. This means they can communicate effectively without needing precise alignment towards the satellite. Their design allows for easy installation and operation, making them particularly suitable for mobile or emergency communication where quick setup is essential.

Inmarsat-B systems cater to applications requiring more substantial bandwidth and data rates, which is facilitated by the directional nature of the antennas. In contrast, Inmarsat-C systems are often used for simpler, lower-bandwidth applications, hence the need for an antenna system that does not require aiming.

Understanding these distinctions clarifies why the described characteristics in the chosen answer accurately reflect the operational differences between Inmarsat-B and Inmarsat-C systems.