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power lines
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<blockquote data-quote="Medley" data-source="post: 111146" data-attributes="member: 17376"><p>I fly around high tension power lines regularly without any interference. And this is what I would expect because, regardless of the voltage these lines are carrying, they are alternating the current at only 60 cycles per second (60Hz). So while the amplitude (strength) of the radio waves generated are strong, the frequency is many millions of times slower than the frequencies at which our remotes and drones communicate (2.8 or 5.6GHz). If there is any potential for interference it would be from the steel structures themselves, and that doesn’t seem to be a problem in the real world.</p><p></p><p>All that said, ironically, I had my first crash ever last weekend when my Air clipped a power line on an ascent setting up an overhead shot. I misestimated how much clearance I’d need and didn’t move far enough out from under them to clear them on the way up. Fortunately my bird did a semi-powered descent and didn’t crash hard. Unfortunately it landed in an ice-melt puddle and was about 70% submerged for about 3 minutes before we retrieved it. Fortunately it survived the soaking somehow and I took it out this afternoon for about 30 minutes of spectacular video over Lake Ontario. I have some interesting video from the event, and may do a post-mortem post to share the story.</p></blockquote><p></p>
[QUOTE="Medley, post: 111146, member: 17376"] I fly around high tension power lines regularly without any interference. And this is what I would expect because, regardless of the voltage these lines are carrying, they are alternating the current at only 60 cycles per second (60Hz). So while the amplitude (strength) of the radio waves generated are strong, the frequency is many millions of times slower than the frequencies at which our remotes and drones communicate (2.8 or 5.6GHz). If there is any potential for interference it would be from the steel structures themselves, and that doesn’t seem to be a problem in the real world. All that said, ironically, I had my first crash ever last weekend when my Air clipped a power line on an ascent setting up an overhead shot. I misestimated how much clearance I’d need and didn’t move far enough out from under them to clear them on the way up. Fortunately my bird did a semi-powered descent and didn’t crash hard. Unfortunately it landed in an ice-melt puddle and was about 70% submerged for about 3 minutes before we retrieved it. Fortunately it survived the soaking somehow and I took it out this afternoon for about 30 minutes of spectacular video over Lake Ontario. I have some interesting video from the event, and may do a post-mortem post to share the story. [/QUOTE]
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power lines