Satellite Navigation - Revision history

Eric: Updated the page to the more recent formatting style + Added some More Information

2022-10-29T00:49:14Z

Updated the page to the more recent formatting style + Added some More Information

← Older revision		Revision as of 00:49, 29 October 2022
Line 1:		Line 1:
	=Basics=		=Basics=
	*A Method Of Navigation using Data from a Navigational Satellite Constellation		*A Method Of Navigation using Data from a Navigational Satellite Constellation
	*This uses a rather complex process outlined in [https://en.wikipedia.org/wiki/GNSS_positioning_calculation This Wikipedia Page], which essentially boils down to a process similar to ~~trigionometry~~ using the [[TOF]] of signals from satellites in known orbits all of which are ~~syncronysed~~ and use computers and atomic clocks to stay in time. Thus via receiving these signals, a computer can do the math and determine where the receiver unit is in relation to these known orbits. This can give a simple ~~lat~~/~~long~~/~~elv~~ readout, which was common in early consumer units, or be used for determining current position on a map, and thus calculate ~~routes~~ (as is common in almost all consumer gps products such as smartphones with gps and an ~~app~~ like [[Google Maps]]		*This uses a rather complex process outlined in [https://en.wikipedia.org/wiki/GNSS_positioning_calculation This Wikipedia Page], which essentially boils down to a process similar to '''trigonometry using the [[TOF]] of signals from satellites in known orbits all of which are synchronized''' and use computers and atomic clocks to stay in time. Thus via receiving these signals, '''a computer can do the math and determine where the receiver unit is in relation to these known orbits.''' This can give a simple latitude/longitude/elevation readout, which was common in early consumer units, ''or'' it can be used for determining current position on a digital map, and thus calculate nearby points of interest and plan trips (as is common in almost all consumer gps products such as smartphones with gps and an apps like [[Google Maps]] )
	*~~Acuraccy~~ Varies Depending on What Constellation is Used (Or if multiple are used and merged), what hardware is used, and if [[RTK]] is being used		*Accuracy Varies Depending on What Constellation is Used (Or if multiple are used and merged), what hardware is used, and if [[RTK]] is being used
	*2-2.5 Meters is the most common ~~acuracy~~ used in calculations for most ~~satallites~~ and systems without [[RTK]] ,although some newer constellation systems such as the L5 Band of [[GPS]] state 30cm		*2-2.5 Meters is the most common accuracy used in calculations for most satellites and systems without [[RTK]] ,although some newer constellation systems such as the L5 Band of [[GPS]] state 30cm
	*Where you are using it can also impact ~~whay~~ constellation to use and/or what ~~acurracy~~ you can get		*Where you are using it can also impact what constellation you should use and/or what accuracy you can get
	*As more satellites are added, and more countries launch their own constellations, this is ~~becomingg~~ less and less of a problem, but it still is best to use the more local constellation		*As more satellites are added, and more countries launch their own constellations, this is becoming less and less of a problem, but it still is best to use the more local constellation
	*This is because many systems are adapted to give a region more orbital passes via shaping the orbit around that area, and/or adding more satellites with orbits to that area		*This is because many systems are adapted to give a region more orbital passes via shaping the orbit around that area, and/or adding more satellites with orbits to that area

Line 13:		Line 13:
	=Systems=		=Systems=
	*Typically most modern receivers can receive from any constellation, it is more a matter of selection		*Typically most modern receivers can receive from any constellation, it is more a matter of selection
	*Also most devices available ([[User:Eric]] writing this, so i live in the USA the products available to me are marketed to USA use, however i did live in Brussels Belgium in the early 2000's and vaugely remember our early gps being different there but this was in the EARLY days of civillian [[GPS]], others PLEASE feel free post for other locations and their options/product avalibilities) have options for standard [[GPS]] (no other constellations added in and/or ground stations) and [[GNSS]] (this comes in two versions [[GNSS-1]] and [[GNSS-2]] )

	=~~See Also~~=		=Internal Links=
	*[[List of Navigational Satellite Constellations]]		*[[List of Navigational Satellite Constellations]]
	**[[GPS]]		**[[GPS]]
Line 23:		Line 22:
	**[[NAVIC]]		**[[NAVIC]]
	**[[QZSS]]		**[[QZSS]]
	*[[~~GSNS~~ Augmentation]]		*[[GNSS Augmentation]]
	*[[GNSS]]		*[[GNSS]]
	*[[GNSS-1]]		*[[GNSS-1]]
	*[[GNSS-2]]		*[[GNSS-2]]

	=~~Useful~~ Links=		=External Links=
	*[https://en.wikipedia.org/wiki/Satellite_navigation The Wikipedia Page on Satellite Navigation]		*[https://en.wikipedia.org/wiki/Satellite_navigation The Wikipedia Page on Satellite Navigation]

			[[Category: Cartography, GIS, Maps, and Surveying]] [[Category: Navigation]]

Eric: Added some more links under the "See Also" section

2020-02-15T21:21:24Z

Added some more links under the "See Also" section

← Older revision		Revision as of 21:21, 15 February 2020
Line 23:		Line 23:
	**[[NAVIC]]		**[[NAVIC]]
	**[[QZSS]]		**[[QZSS]]
			*[[GSNS Augmentation]]
			*[[GNSS]]
			*[[GNSS-1]]
			*[[GNSS-2]]

	=Useful Links=		=Useful Links=
	*[https://en.wikipedia.org/wiki/Satellite_navigation The Wikipedia Page on Satellite Navigation]		*[https://en.wikipedia.org/wiki/Satellite_navigation The Wikipedia Page on Satellite Navigation]

Eric: Created Page + Added Basic Sections/Info

2020-02-15T20:37:48Z

Created Page + Added Basic Sections/Info

New page

=Basics=
*A Method Of Navigation using Data from a Navigational Satellite Constellation
*This uses a rather complex process outlined in [https://en.wikipedia.org/wiki/GNSS_positioning_calculation This Wikipedia Page], which essentially boils down to a process similar to trigionometry using the [[TOF]] of signals from satellites in known orbits all of which are syncronysed and use computers and atomic clocks to stay in time. Thus via receiving these signals, a computer can do the math and determine where the receiver unit is in relation to these known orbits. This can give a simple lat/long/elv readout, which was common in early consumer units, or be used for determining current position on a map, and thus calculate routes (as is common in almost all consumer gps products such as smartphones with gps and an app like [[Google Maps]]
*Acuraccy Varies Depending on What Constellation is Used (Or if multiple are used and merged), what hardware is used, and if [[RTK]] is being used
*2-2.5 Meters is the most common acuracy used in calculations for most satallites and systems without [[RTK]] ,although some newer constellation systems such as the L5 Band of [[GPS]] state 30cm
*Where you are using it can also impact whay constellation to use and/or what acurracy you can get
*As more satellites are added, and more countries launch their own constellations, this is becomingg less and less of a problem, but it still is best to use the more local constellation
*This is because many systems are adapted to give a region more orbital passes via shaping the orbit around that area, and/or adding more satellites with orbits to that area

=Constellations=
*[[List of Navigational Satellite Constellations]]

=Systems=
*Typically most modern receivers can receive from any constellation, it is more a matter of selection
*Also most devices available ([[User:Eric]] writing this, so i live in the USA the products available to me are marketed to USA use, however i did live in Brussels Belgium in the early 2000's and vaugely remember our early gps being different there but this was in the EARLY days of civillian [[GPS]], others PLEASE feel free post for other locations and their options/product avalibilities) have options for standard [[GPS]] (no other constellations added in and/or ground stations) and [[GNSS]] (this comes in two versions [[GNSS-1]] and [[GNSS-2]] )

=See Also=
*[[List of Navigational Satellite Constellations]]
**[[GPS]]
**[[GLONASS]]
**[[Galileo (Navigational Satellite Constellation) ]]
**[[BeiDou]]
**[[NAVIC]]
**[[QZSS]]

=Useful Links=
*[https://en.wikipedia.org/wiki/Satellite_navigation The Wikipedia Page on Satellite Navigation]