![]() Use built-in barometer on your device to determine the elevation of your current location. Precision indicators (horizontal resolution and vertical resolution) are displayed on the screen. The colors presented on the line indicate different heights. The altitude data of the area you walked-through will be recorded and displayed as a multicolored line on the map. Use built-in GPS on your device to determine the altitude of your current location. “Range Mode” is available for altitude comparison (by graph and line) of each point between two selected locations. By simply point on the screen, you can get the elevation data from a coordinate location point. The easiest way to find altitude of any location on earth. ![]() Thus, knowing the elevation of places is very crucial if you are looking for a flood-free house, or planning for a hiking trip, and more. You can also find the elevation of your current location by using online database, built-in GPS, or barometer on your device.Įlevation data benefits flood prevention, prediction of water levels in rivers, lakes, and seas, etc. This app helps you observe the elevations of all locations on the surface of the earth by simply touch and move the map around, or input the address/location name. If the drone is further out it always returns at the pre-set altitude at a minimum.Find your current elevation, altitude, and height above sea level easily with this altimeter/barometer app. It is perfectly safe to enable the Current Altitude option to avoid immediate landing in case of an RTH event in the 3m to 20m range. In all other cases the Current Altitude option setting is disregarded. The drone will always return at the pre-set altitude at a minimum.Ĭonclusion: The Current Altitude option setting is only taken in account in a scenario where the drone's distance to the recorded home point is in the 3m to 20m bracket. Note: The Current Altitude option is ignored in this case. If it is lower than the pre-set altitude it will ascend to the pre-set altitude first before starting to RTH. If the drone is higher than the pre-set altitude it will start to RTH at the current altitude immediately. The drone will check its current altitude. If the altitude is less than 2.5m it will ascend to 2.5m first and then start to RTH.Ĭase #4 - The drone's distance to the recorded home point is greater than 20m If its current altitude is above 2.5m the drone will RTH at its current altitude immediately. The drone will immediately descend to land from its current altitude and position.Ĭase #3 - The drone's distance to the recorded home point is between 3m and 20m with the Current Altitude option enabled The drone will not ascend to the pre-set altitude even if the Current Altitude option is disabled.Ĭase #2 - The drone's distance to the recorded home point is between 3m and 20m with the Current Altitude option disabled. ![]() In this case the drone will descend to land immediately from its current altitude and position. Once the RTH is triggered there are four cases dependant on the drone's distance to the recorded home point to consider.Ĭase #1 - The drone's distance to the recorded home point is less than 3m Setting #2: The “RTH at Current Altitude” option Setting #1: The “Return-To-Home Altitude” setting, i.e. Two settings in DJI GO 4 app are relevant for how RTH behaves after being triggered NOTE after comparing the altitudes in the following which are from the Spark manual to the M2 manual altitudes, there are some slight differences. What I found in the Spark pilot's forum was the following explanation which cleared things up. I might be a little slow on the uptake, but after several readings of the manual I still could not get my arms around how the RTH At Current Altitude setting in GO4 affects things.
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