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| Sufficient Sat 'Count' ? https://www.spirit-system.com/phpBB3/viewtopic.php?f=20&t=5788 |
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| Author: | AndrewJohnHawes [ Fri 18. Aug 2023 6:50:24 ] |
| Post subject: | Sufficient Sat 'Count' ? |
I just tested Telemetry Sat 'Count' under very difficult circumstances, between two 3-storey buildings, only about 10 - 15M apart. Here in Melbourne, Australia at about 1500 local my radio counted 12. What is considered a 'safe' number to trust the GPS guidance. Obviously, I am normally flying in a much more open environment, and from Jeti GPS systems consider 12 to be a 'good' number. What does everybody think? Regards, Andy |
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| Author: | ZeXx86 [ Sat 19. Aug 2023 14:56:51 ] |
| Post subject: | Re: Sufficient Sat 'Count' ? |
With GeoLink v1 it is 12. With GeoLink v2 it is 16. |
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| Author: | AndrewJohnHawes [ Sun 20. Aug 2023 7:33:10 ] |
| Post subject: | Re: Sufficient Sat 'Count' ? |
Thanks ZeXx86, I had the Logo 700 maintain a pretty accurate position hold today with 12 satellites counted. The position hold precision was pretty good at probably better than 20cm, although the corrections were a little jerky (choppy). This was on the default GPS settings. Should I slightly reduce the horizontal gain a bit? Andy |
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| Author: | AndrewJohnHawes [ Tue 22. Aug 2023 0:00:28 ] |
| Post subject: | Re: Sufficient Sat 'Count' ? |
Yesterday, in the same very tight spot between the houses, I managed to acquire 16 satellites - very impressed. I have reduced the horizontal gain down to 85% and corrected the compass to 90 degrees - (North). I am keen to see how this improves things with the slightly jerky position hold corrections! Andy |
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| Author: | AndrewJohnHawes [ Fri 25. Aug 2023 9:15:37 ] |
| Post subject: | Re: Sufficient Sat 'Count' ? |
After reducing the horizontal gain to 80%, the helicopter failed to maintain position at all! At 110% it acted in the same way as 90% with jerky corrections. Any suggestions to smooth this position-hold correction, please? This was not in coaxial mode! Maybe needs to be? Andy |
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| Author: | ZeXx86 [ Fri 25. Aug 2023 9:55:59 ] |
| Post subject: | Re: Sufficient Sat 'Count' ? |
It should maintain position even with the lowest settings. I am not sure what is your configuration, so it is hard to guess. In any case you can safely set the lowest correction. Make sure that Integration menu was closed properly by the Close menu. |
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