Practice Sources Of Gnss Errors (3.4.11.1) - EGNOS, Europe

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8 questions

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Exercise
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6 sample questions

Question 1.
What is a multipath error?
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Think of signals bouncing off walls.
Question 2.
Define clock error in the context of GNSS.
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Consider how accurate satellite clocks are compared to receivers.
3Question 3.
What type of error occurs when GNSS signals bounce off surfaces?
- Clock Error
- Multipath Error
- Ephemeris Error
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Consider how light reflects off a mirror.
4Question 4.
True or False: Atmospheric delays can only occur in the ionosphere.
- True
- False
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Recall the layers of atmosphere.
Question 5.
A receiver is placed in an urban area surrounded by tall buildings. Discuss how this environment can affect GNSS accuracy and suggest methods to mitigate these effects.
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Think about technology that compensates for errors.
Question 6.
Analyze the implications of solar storms of GNSS operations. What corrective measures can be implemented?
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Monitor space weather forecasts regularly.

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