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DJI GO 4 MOD 2.0 | DJI GO 4 MOD LITE [ Additional Features | Android | App Ver. 4.1.15 ]
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<blockquote data-quote="giac" data-source="post: 27671" data-attributes="member: 3855"><p>It's not a matter of being "best" or "reliable", it's a matter of me not seeing how it could even work. Do you have an hypothesis on how they can use signal strength alone to obtain a directional information? I don't have a Mavic myself, but I'm assuming it doesn't keep going back and forth, left and right in Follow Me mode to continuously probe in which direction the signal strength is increasing, does it?</p><p></p><p>On the other hand, the Mavic user manual states, on page 60 (very top): "Note that Follow Me performance is subject to the GPS accuracy on the mobile device". From this, I would assume that Follow Me does not even work without a mobile device connected (since, as you observe, there is no GPS unit in the remote). And if they require a mobile device with (as I suspect), why should they use RSSI for? Which added information could they gain?</p><p>If instead it does work without a mobile device (any Mavic owner here?), then I would be really curious to understand how it does it.</p><p></p><p>BTW: ARTVA device don't (usually) communicate with satellites (I bet satellite communication is not very easy from under a meter of two of snow). Localization is obtained by following the field lines of the antenna dipole emission. They do not represent the line of fastest approach (so it wouldn't work for the Mavic either), but will eventually bring the you to the source.</p></blockquote><p></p>
[QUOTE="giac, post: 27671, member: 3855"] It's not a matter of being "best" or "reliable", it's a matter of me not seeing how it could even work. Do you have an hypothesis on how they can use signal strength alone to obtain a directional information? I don't have a Mavic myself, but I'm assuming it doesn't keep going back and forth, left and right in Follow Me mode to continuously probe in which direction the signal strength is increasing, does it? On the other hand, the Mavic user manual states, on page 60 (very top): "Note that Follow Me performance is subject to the GPS accuracy on the mobile device". From this, I would assume that Follow Me does not even work without a mobile device connected (since, as you observe, there is no GPS unit in the remote). And if they require a mobile device with (as I suspect), why should they use RSSI for? Which added information could they gain? If instead it does work without a mobile device (any Mavic owner here?), then I would be really curious to understand how it does it. BTW: ARTVA device don't (usually) communicate with satellites (I bet satellite communication is not very easy from under a meter of two of snow). Localization is obtained by following the field lines of the antenna dipole emission. They do not represent the line of fastest approach (so it wouldn't work for the Mavic either), but will eventually bring the you to the source. [/QUOTE]
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DJI GO 4 MOD 2.0 | DJI GO 4 MOD LITE [ Additional Features | Android | App Ver. 4.1.15 ]