Old school solution, to save the head scratching. Spray a series of small circles on the grass around the site, however many will cover all the angles you want to shoot
When you want to update the photo sequence: place drone on your GCP (the...
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You need to have a sim card in the dongle AND internet connection to the RC. The internet for the RC can come via router wifi, mobile/phone hotspot or you can have a second dongle in the RC, with a second sim card.
Yes. Note that this is a two way data communication, one side has to receive the data, where the other part is sending. Do not think as a phone call where the caller pays the cost. No.
The dongle 2 needs a 4G enabled Ism that has data to connect to the Dji Servers. The RC needs a data connection either via wifi or mobile hotspot to your phone to be able to communicate with the dongle 2 in the drone. If the RC has no Data...