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Home IFR Quiz February 2021 Quiz

IFR Quiz

February 2021 Quiz

By

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Published: January 21, 2021

Today, GPS is essential to a functioning society. Fortunately, detecting solar activity threats to GPS has evolved apace, as seen at NOAA’s Space Weather Prediction Center (SWPC). Test your knowledge of this rare but consequential phenomenon.

February 2021 Quiz

Space weather
- a. originates on the sun and travels to Earth.
- b. affects mainly orbital and airborne systems.
- c. is prone to appear near the equator.
- d. occurs only at night.
The ___ bends the path of GPS signals.
- a. stratosphere
- b. exosphere
- c. biosphere
- d. ionosphere
Your GPS compensates for ___ ionospheric weather.
- a. average
- b. aurora-like
- c. noisy
- d. stormy
Normally a GPS can provide ___ or less accuracy. Space weather degrades it to ___.
- a. 5 feet, 10 yards
- b. 1 meter, tens of meters
- c. 3 meters, 20 meters
- d. 1 meter, 1 mile
Space weather also impacts
- a. pilots and passengers flying below FL250.
- b. submarines.
- c. high-frequency radio and satellite communications.
- d. fiber optic cables.
A space weather advisory is issued when
- a. severe in impact.
- b. globally bad conditions exist.
- c. forecast 30 hours out.
- d. degraded or unreliable GPS service could occur.
True/false: A SIGMET is issued for space weather advisory.
- True
- False
You’re flying way up north. GPS navigation is at risk from
- a. the aurora borealis.
- b. magnetic convergence at the North Pole.
- c. electromagnetic fields.
- d. geomagnetic storms.
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