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A kind of newbie question that I have not seen covered before
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<blockquote data-quote="Hickeroar" data-source="post: 14440" data-attributes="member: 2539"><p>If I set my drone on concrete with rebar in it, or on a metal surface, it will request a compass re-calibration. Once I remove it from that surface it's fine. With the spark and its ability to use its camera to maintain its bearings when there's no GPS signal, I almost always take it off without a GPS signal and it'll get a solid one in the air after a few seconds. This is a drone that is safe to use indoors with no GPS signal, so I'm not terribly worried about launching without GPS outside.</p><p></p><p>What I WON'T do is launch it when it's saying it needs compass calibration (if it's on the aforementioned concrete or metal). If you launch without solid <strong>compass </strong>bearing, it will often spin in midair and be uncontrollable.</p></blockquote><p></p>
[QUOTE="Hickeroar, post: 14440, member: 2539"] If I set my drone on concrete with rebar in it, or on a metal surface, it will request a compass re-calibration. Once I remove it from that surface it's fine. With the spark and its ability to use its camera to maintain its bearings when there's no GPS signal, I almost always take it off without a GPS signal and it'll get a solid one in the air after a few seconds. This is a drone that is safe to use indoors with no GPS signal, so I'm not terribly worried about launching without GPS outside. What I WON'T do is launch it when it's saying it needs compass calibration (if it's on the aforementioned concrete or metal). If you launch without solid [B]compass [/B]bearing, it will often spin in midair and be uncontrollable. [/QUOTE]
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A kind of newbie question that I have not seen covered before