Question 962Navigation General70% to pass
The highest level of commercial navigational accuracy is provided by _______________.
AI Explanation
The correct answer is C) DGPS, within a coverage area.
DGPS (Differential GPS) provides the highest level of commercial navigational accuracy by using a network of ground-based reference stations to correct GPS signals and eliminate errors, achieving an accuracy within a specific coverage area typically within a few meters. This makes DGPS the most precise GPS-based navigation system available for commercial applications.
The other options are incorrect because: A) SPS (Standard Positioning Service) is the non-military GPS service which has lower accuracy, B) NAVSAT (Navigation Satellite) refers to an older satellite navigation system that uses the Doppler effect, and D) PPS (Precise Positioning Service) is the military-grade GPS service, which has the highest accuracy but is restricted for civilian use.
Related Questions
#960 Using the surface analysis in illustration D049NG below, which wind speeds are reported at position A? #961 Which feature, when set to zero, might allow a GPS unit to have an accuracy equivalent to Precise Positioning Service receiver capability? #963 The intensity of a hurricane as it reaches higher latitudes and cooler waters _______________.#964 While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 6 seconds after the signal was sounded. What is the distance to the shore? #965 Barometers are calibrated at a standard temperature of _______________.