GPS receivers are usually equipped with:
Quartz clocks
Quartz clocks provide the necessary stability and accuracy at a reasonable cost and size, making them the standard choice for the timing reference inside most consumer and professional GPS receiver units. They are significantly more accurate and stable than mechanical or simple digital clocks, and while 'Electronic clocks' is technically true, 'Quartz clocks' specifies the specific and common technology used for the timing element.
The magazine in which Mahatma Gandhi mentioned what he wanted the Constitution to do is:
Which gas shields the surface of the earth from ultraviolet radiation from the sun?
Which event is marked as an Intangible Cultural Heritage of Humanity by UNESCO?
Who has been conferred with the rank of the Commander of the Order of the British Empire in 2018?
Who directead the film ‘Bhuvan Shome’?