RTK GPS - Revision history

Marcin: /* Howto */

2023-08-10T23:20:52Z

Howto

← Older revision		Revision as of 23:20, 10 August 2023
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	Multiband GNSS receiver - then process the signal. [https://www.youtube.com/watch?v=_Am2DDGVWmE]		Multiband GNSS receiver - then process the signal. [https://www.youtube.com/watch?v=_Am2DDGVWmE]

			U-Blox seems to be a leader - who are others?

	=Basics=		=Basics=

2023-08-10T23:14:14Z

Howto

← Older revision		Revision as of 23:14, 10 August 2023
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	From description, looks like F9P is overkill, simple RTK could be implemented with simpler GPS receiver chips. If they output raw data, we can process it. [https://www.u-blox.com/en/publication/beyond-stories/u-blox-f9-taking-gnss-precision-next-level#:~:text=Dead%20reckoning%3A%20The%20F9%20platform,and%20urban%20canyons%20with%20bridges.]		From description, looks like F9P is overkill, simple RTK could be implemented with simpler GPS receiver chips. If they output raw data, we can process it. [https://www.u-blox.com/en/publication/beyond-stories/u-blox-f9-taking-gnss-precision-next-level#:~:text=Dead%20reckoning%3A%20The%20F9%20platform,and%20urban%20canyons%20with%20bridges.]

			Multiband GNSS receiver - then process the signal. [https://www.youtube.com/watch?v=_Am2DDGVWmE]

	=Basics=		=Basics=

2023-08-10T23:04:13Z

Howto

← Older revision		Revision as of 23:04, 10 August 2023
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	Linux version of RKTLIB - [https://rtklibexplorer.wordpress.com/2020/12/18/building-rtklib-code-in-linux/#:~:text=The%20original%20RTKLIB%20did%20not%20support%20Linux%20for,describe%20building%20these%20on%20the%20Ubuntu%20platform%20below.]		Linux version of RKTLIB - [https://rtklibexplorer.wordpress.com/2020/12/18/building-rtklib-code-in-linux/#:~:text=The%20original%20RTKLIB%20did%20not%20support%20Linux%20for,describe%20building%20these%20on%20the%20Ubuntu%20platform%20below.]

			From description, looks like F9P is overkill, simple RTK could be implemented with simpler GPS receiver chips. If they output raw data, we can process it. [https://www.u-blox.com/en/publication/beyond-stories/u-blox-f9-taking-gnss-precision-next-level#:~:text=Dead%20reckoning%3A%20The%20F9%20platform,and%20urban%20canyons%20with%20bridges.]

	=Basics=		=Basics=

2023-08-10T22:55:29Z

Howto

← Older revision		Revision as of 22:55, 10 August 2023
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	Turnkey correction station: $700. https://www.sparkfun.com/products/22429		Turnkey correction station: $700. https://www.sparkfun.com/products/22429

			Bottom line: take 2 cheap GPS receivers, process them with open source RTKLIB but only for windows [https://www.rtklib.com/].

			Linux version of RKTLIB - [https://rtklibexplorer.wordpress.com/2020/12/18/building-rtklib-code-in-linux/#:~:text=The%20original%20RTKLIB%20did%20not%20support%20Linux%20for,describe%20building%20these%20on%20the%20Ubuntu%20platform%20below.]

	=Basics=		=Basics=

2023-08-10T22:40:54Z

Howto

← Older revision		Revision as of 22:40, 10 August 2023
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	You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station using a <$300 receiver + antenna. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction]. THis is good to 2 mm, with service degrading 1.5 cm every 10 km. So you can set up one, for a working region.		You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station using a <$300 receiver + antenna. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction]. THis is good to 2 mm, with service degrading 1.5 cm every 10 km. So you can set up one, for a working region.

	Can you do RTK correction in software, without the		Can you do RTK correction in software, without the $300 receiver? Yes, a chip - $10 - but you need some basic stuff around the chip.

			Turnkey correction station: $700. https://www.sparkfun.com/products/22429

	=Basics=		=Basics=

2023-08-10T22:27:20Z

Howto

← Older revision		Revision as of 22:27, 10 August 2023
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	=Howto=		=Howto=

	You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station using a <$300 receiver. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction].		You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station using a <$300 receiver + antenna. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction]. THis is good to 2 mm, with service degrading 1.5 cm every 10 km. So you can set up one, for a working region.

			Can you do RTK correction in software, without the

	=Basics=		=Basics=

2023-08-10T22:19:39Z

Howto

← Older revision		Revision as of 22:19, 10 August 2023
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	=Howto=		=Howto=

	You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station using a $300 receiver. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction].		You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station using a <$300 receiver. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction].

	=Basics=		=Basics=

2023-08-10T22:19:26Z

Howto

← Older revision		Revision as of 22:19, 10 August 2023
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	=Howto=		=Howto=

	You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction].		You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station using a $300 receiver. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction].

	=Basics=		=Basics=

2023-08-10T22:19:11Z

Basics

← Older revision		Revision as of 22:19, 10 August 2023
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			=Howto=

			You can use a small computer + simple receiver with antenna to get cm accuracy GPS correction signals. Here is how to set up a reference station. [https://learn.sparkfun.com/tutorials/how-to-build-a-diy-gnss-reference-station/introduction].

	=Basics=		=Basics=
	*Up to 20 times per second update rate [https://learn.sparkfun.com/tutorials/what-is-gps-rtk/all#:~:text=On%20top%20of%20these%20signals,to%2020%20times%20a%20second.]		*Up to 20 times per second update rate [https://learn.sparkfun.com/tutorials/what-is-gps-rtk/all#:~:text=On%20top%20of%20these%20signals,to%2020%20times%20a%20second.]

2023-02-23T19:52:14Z

Basics

← Older revision		Revision as of 19:52, 23 February 2023
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			*Up to 20 times per second update rate [https://learn.sparkfun.com/tutorials/what-is-gps-rtk/all#:~:text=On%20top%20of%20these%20signals,to%2020%20times%20a%20second.]
			*Resolution drops to a few centimeters once base station is 10km from moving node [https://learn.sparkfun.com/tutorials/what-is-gps-rtk/all#:~:text=On%20top%20of%20these%20signals,to%2020%20times%20a%20second.].
	*A Method of Satellite Navigation/Survey that utilizes one or more constellations, and a Base Station		*A Method of Satellite Navigation/Survey that utilizes one or more constellations, and a Base Station
	*This allows for 1cm Level Accuracy		*This allows for 1cm Level Accuracy