Ok Tenly I am surmising not quoting an actual UK flight, so my P4 is set to fly 400m max height, the hill I am on is 407m, I come down 7m and take off.
The P4 would if I chose to fly 400m above the hill, so making it, compared to the land around the hill 800m high. Does the rule mean you can not follow the contours of the land? please try to answer my question in a cival man our Tenly! Its important to understand because finding a high point give the user an advantage with excellent signal.
If anyone has the answer the question can you please provide the Link to your source. Many thanks.
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I don't know what the height restrictions are around you - but in a lot of places, it's 400 feet (not meters) - and it's "AGL" or "above ground level". This would refer to your drones current distance above the ground that it is currently directly over top of - so yes, you can follow the contours of the land. If you take off at the bottom of a hill, you can fly it up over the hill until you are at the summit and flying 400 feet above the summit which may be 800 feet or more above your take off point. But as you start to move away from the summit, to remain compliant with the rule, you would have to descend such that you are never more than 400' above the ground that is beneath the drone.
There are also plenty of antenna upgrade options that are discussed on this site in other threads. They can help maximize your signal penetration through local obstacles and interference.
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