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Setting RC location as home point - Weak GPS
129 10 2017-9-12 22:17:25
Jyunte
lvl.2
Flight distance : 135766
United States
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I'm using an iPad Pro 10.5" as my monitor, and it works perfectly. However, during one flight the other day, I landed my Mavic Pro some distance from the home point and turned off the motors. When I restarted the motors, this reset the home point to the Mavic's current location. I went into the DJI Go 4 Settings page and pressed the button to reset the home point to the location of the RC. An error message popped up telling me that the GPS location of the RC was "weak" and that the home point could not be reset.
The iPad Pro (with cellular and wifi) has built in GPS and accurately displays my position in every other piece of mapping software that's installed on it. It accurately displays the RC's location on the DJI Go 4 screen too, so I don't understand why it would complain when trying to set the home point to the RC's current location?
2017-9-12 22:17:25
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DJI Susan
Administrator
Japan
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The home point refresh requires high GPS precision of mobile devices. Please make sure there is enough GPS signal and try again.
2017-9-12 23:20:53
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Jyunte
lvl.2
Flight distance : 135766
United States
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DJI Susan Posted at 2017-9-12 23:20
The home point refresh requires high GPS precision of mobile devices. Please make sure there is enough GPS signal and try again.

Like I said, the GPS on my iPad pinpoints me to within a couple of feet in every mapping software I have (Google Maps, DJI Go 4 maps, Waze, and a couple of other full-scale aircraft flying map apps), it's just the "Reset Home Point" feature that says GPS is weak. It doesn't seem to matter where I am, it's always gives the same error. The iPad is at least as accurate as my cell phone.
2017-9-13 08:55:37
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EastyT
lvl.4
Flight distance : 155996
United States
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Jyunte Posted at 2017-9-13 08:55
Like I said, the GPS on my iPad pinpoints me to within a couple of feet in every mapping software I have (Google Maps, DJI Go 4 maps, Waze, and a couple of other full-scale aircraft flying map apps), it's just the "Reset Home Point" feature that says GPS is weak. It doesn't seem to matter where I am, it's always gives the same error. The iPad is at least as accurate as my cell phone.

I know this doesn't help, but I have read this complaint many times in regard to IOS devices.
2017-9-13 09:11:12
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Sportbike_Pilot
lvl.4
Flight distance : 290379
United States
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Had this similar experience but had to fly where I was standing then re-set the RTH. It then worked and returned to the new designated home point.
2017-9-13 09:17:57
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Jyunte
lvl.2
Flight distance : 135766
United States
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EastyT Posted at 2017-9-13 09:11
I know this doesn't help, but I have read this complaint many times in regard to IOS devices.

Seems that it's a bug in the software that should be corrected! No point having that feature in the iOS version of the software, if it doesn't work!
2017-9-13 10:30:30
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ro_flyer
Second Officer
Flight distance : 475777
Brazil
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Try to do it before restarting the motors
2017-9-13 18:29:08
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DJI Thor
Administrator
Japan
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Besides, please also enable the internet with DJI GO 4 app if it has cellular at that time.
2017-9-13 20:04:55
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Jyunte
lvl.2
Flight distance : 135766
United States
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DJI Thor Posted at 2017-9-13 20:04
Besides, please also enable the internet with DJI GO 4 app if it has cellular at that time.

The cellular connection is always on, so it can download the maps... so I don't think that's the problem.
2017-9-13 20:22:51
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Jyunte
lvl.2
Flight distance : 135766
United States
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ro_flyer Posted at 2017-9-13 18:29
Try to do it before restarting the motors

Interesting. I'll give that a try tomorrow. Thanks for the suggestion.
2017-9-13 20:23:25
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DJI Susan
Administrator
Japan
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Jyunte Posted at 2017-9-13 08:55
Like I said, the GPS on my iPad pinpoints me to within a couple of feet in every mapping software I have (Google Maps, DJI Go 4 maps, Waze, and a couple of other full-scale aircraft flying map apps), it's just the "Reset Home Point" feature that says GPS is weak. It doesn't seem to matter where I am, it's always gives the same error. The iPad is at least as accurate as my cell phone.

How about changing to another location with good GPS signal or another recommended devices?
2017-9-15 02:11:44
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