UNIVERSE
SATELLITESICY BODIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A disadvantage may be that line of site is required. Tunnels and large earth objects may cause errors in positioning.
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GPS can provide real time information on a live map. Ideal for car navigation systems.
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GPS may be dangerous in a car as people tend to amend them whilst driving.
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A disadvantage may be that atmospheric conditions may distort signals, causing errors in location.
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Detailed explanation-1: -➨It helps people to reach their destinations. ➨It helps to track parcels, stolen vehicles, missing persons, properties etc. ➨It helps to improve vehicle traffic flow by guiding drivers about possible congested routes. ➨It helps in scientific research in meteorology, troposphere, geodesy.
Detailed explanation-2: -Following are the disadvantages of GPS: ➨GPS chip is power hungry which drains battery in 8 to 12 hours. This requires either battery replacement or recharge. ➨GPS signal does not pierce through the solid walls or structures.
Detailed explanation-3: -Advantages. GPS is quite accurate; however, using DGPS pushes its accuracy even further. GPS/DGPS makes A/L guidance every precise as oppose to ILS and MLS.
Detailed explanation-4: -GPS land surveying equipment requires a clear view of the sky to receive satellite signal. Interference from dense foliage and other structures can limit function and communication. All GPS survey equipment is subject to failure from dead batteries and system malfunction. More items