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Agras T30 RTK using base station grids via the internet
243 6 11-15 05:36
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Campofres
lvl.1

Uruguay
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Hi,

We are using Agras T30 and have many isues of satellite absolute position erros.
In Uruguay fiels are big, about 60 Ha avarage, with irregular shapes an sometimes with several ostacles, so it takes a long time to create a map.  On this time satellite shift ocurs, so even that we mark control points (Yellow stars), we cannot achieve the necessary precision.
On other we find very expensive to buy optional RTK base antena, In Uruguay more than USD 5000. The problem is that this technology will probably be obsolete in a few years, so it will be imposible to payback!

So we want to find out wether it is posibles to use Uruguays national station grids that provide realtime position corrections via the Internet Ntrip . (In Uruguay his service is provided by Military Geogrephic Information Services).

Is anyone using this kind of position error correction anywhere?

Is there a tutorial of how to use it on the DJI Agras T30?


Thank you
Best
Felipe
11-15 05:36
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DJI Natalia
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Hi, there.
We will check these problems and keep you updated here.
Thank you.
11-15 19:48
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DJI Natalia
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Update:
Sorry for the long waiting, hope the following information helps:
1. T30 support D-RTK2 and custom network RTK;
You can choose network RTK(better price than D-RTK2), we support NTRIP network RTK with RTCM3.0/RTCM3.1/RTCM3.2 protocol
1). Connect locally via OcuSync to your D-RTK 2 Mobile Station. (RTCM3.2)
2). Connect remotely via a 4G Dongle to a custom RTK network using an NTRIP account.(RTCM3.2)
3). Connect remotely via a WiFi hotspot to a custom RTK network using an NTRIP account. Not available in Europe.(RTCM3.0/RTCM3.1/RTCM3.2)

2. D-RTK2 and network RTK services are used in many places

3. You can learn how to use our aircraft through the following channels:
Website: https://ag.dji.com/
Facebook: https://www.facebook.com/DJIAgriculture/
Twitter: https://twitter.com/DJIAgriculture
Youtube: http://www.youtube.com/c/DJIAgriculture
There is currently no video tutorial. After you buy a custom network RTK, your seller will provide the port and account number. You can fill in it in the RTK settings of the remote control.

Thank you for your support.

GTScreenshot_20221117_192028.png
11-17 03:16
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Campofres
lvl.1

Uruguay
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Natalia,

Thank you for your fast answer!

I will study al the information you sent me, and hope that I can sonve my trouble.

Best

Felipe Fresnedo
11-17 07:09
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DJI Susan
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Campofres Posted at 11-17 07:09
Natalia,

Thank you for your fast answer!

Please keep us updated on the result, thank you.
11-17 23:48
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Campofres
lvl.1

Uruguay
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Hi Natalia,

Fortunately, i could make the Ntrrip work!
Using a VRS, I could reduce absolute position error to a few centimeters !!

Now, I have to test it on the field in both situations:

1) When planning (drawing) a field

2) Whwn executing a Task


In Uruguay, mobile cell signal is very weak in low areas, so it gets interrupted until you move som meters to a higher area.

So, I need to experiment how does DJI Agras T30 handles mobile signal momentary interuptions?
The ystem should keep last position corrections recived and continue working until it recieves signal again and the update al corrections. Is this the way it works?

Keep you informed
best
Felipe Fresnedo
DRAGUR URUGUAY
11-18 05:22
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DJI Wanda
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Campofres Posted at 11-18 05:22
Hi Natalia,

Fortunately, i could make the Ntrrip work!

Thanks for your update. Please let us know more updates and feedback.
11-18 23:57
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