Difference between revisions of "Altimeter"

Revision as of 19:35, 10 March 2016 (view source) Ariana (Talk | contribs) ← Older edit		Revision as of 18:41, 7 April 2016 (view source) Ariana (Talk | contribs) Newer edit →
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−	The altimeter instrument of Air Navigation displays altitudes above Mean sea level ('''MSL''') as reported from the GPS unit. Usually the altitude has an '''accuracy of 70 ft or less.''' The accuracy is usually even better with external GPS modules.	+	The altimeter instrument of Air Navigation displays altitudes above Mean sea level (MSL) as reported from the GPS unit. Usually the altitude has an '''accuracy of 70 ft or less.''' The accuracy is usually even better with external GPS modules.
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−	[[File:danger.jpg|caption|left]]A '''Question mark''' will show instead of a digital altimeter value when:	+	[[File:danger.jpg|caption|left]]An '''exclamation mark''' will show instead of a digital altimeter value when:
−	* GPS accuracy is '''more than 230 ft.	+	* GPS accuracy is '''more than 230 ft.'''
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	<u>'''Note:'''</u> remember that you will ONLY find the spinball at the bottom of the instrument on iPhone/iPod Touch devices.		<u>'''Note:'''</u> remember that you will ONLY find the spinball at the bottom of the instrument on iPhone/iPod Touch devices.
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	Back to <u>[[Instruments|previous page.]]</u>		Back to <u>[[Instruments|previous page.]]</u>
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Revision as of 18:41, 7 April 2016

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The Altimeter of Air Navigation is GPS based like all navigation instruments. Usually, the GPS has an acceptable precision. Nevertheless it should never be used as a replacement for the barometric altimeter.

The altimeter instrument of Air Navigation displays altitudes above Mean sea level (MSL) as reported from the GPS unit. Usually the altitude has an accuracy of 70 ft or less. The accuracy is usually even better with external GPS modules.

The top part is the analog altimeter indicator. On the bottom part you will find the digital altimeter value as well as the current GPS status symbol.

The altimeter unit can be set as feet or meters in the application settings.

An exclamation mark will show instead of a digital altimeter value when:

• GPS accuracy is more than 230 ft.

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Note: remember that you will ONLY find the spinball at the bottom of the instrument on iPhone/iPod Touch devices.

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Back to previous page.