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RTK Auto Steer

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by

Matthew Hiebner

on 4 May 2010

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Transcript of RTK Auto Steer

RTK Auto Steer This system has a feature that shows you what the elevation of the field is, it shows all low spots, hills exc. This system does not only just provide straight rows, but it will go in circles that are straight, and put curves in your field. This system will start beeping every 15 minutes if you have not taken manual control before that time is up, if you do not touch the screen your tractor will start to go in circles How It works......
1. A satellite transmits a signal to earth to a stationary satellite tower, then that signal is transmitted to your gps receiver on the top of your tractor.
2. The signal is transmitted to a wireing harness, which unscrambles the codes and consequently steers the tractor.
3. The wiring harness also sends the satellite information to the screen located in you tractor, which displays where you will turn in the next round and the logging (area shaded a different color to show where you have been).
You can add software to the system to make it compatible to apply variable rates: in chemical application, planting different populations of seed for different areas of the field (pivot corners, pivot irrigated areas exc.) If you do not want to plant your crop directly on top of the previous year’s stalks, you can go to the computer screen and go to settings and chose offset and chose the amount you want it set of from the previous year. This system is also used in combines; they can hook it up to a grain monitor, then all the data such as grain lose, and yields will be stored to the computer. Operates at speeds as slow as 0.01mph Some systems do not only drive your tractor in a desired path forward, but they also make a system that you put on the hitch of your implement and it will steer your tractor in a desired path backwards, this is used more in your construction applications more than on a normal corn and bean farm. From year to year you will be within 1 inch of where you drove the previous year 95% of the time. The accuracy of sub-inch RTK is degraded at a rate of 2 inches 16 miles away from the base station. If you apply for a one year subscription to sub-inch RTK it will cost you about $1500 for one unit, each unit after that is another $300. This system is also used in combines; they can hook it up to a grain monitor. Then all the data such as grain lose, and yields will be stored to the computer. You can even add software that will allow you to download data about different soil contents in a field, then when you are fertilizing it will automatically increase or decrease the rate of fertilizer applied. It can put markers in the field to show where a well is, gofers holes are, fences, or pieces of junk are laying in your field. The signal is transmitted to a wire harness, which unscrambles the codes and consequently steers the tractor. Although my project was mostly about how they use RTK on tractors,
this is also the same system many construction crews use to land level,
and tell them were to put different things. This is part of a RTK land levaling device.
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