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Parabolic Antenna Extender For Spark?? Any Good?
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<blockquote data-quote="Virtual1" data-source="post: 69632" data-attributes="member: 4084"><p>(I'm not an EE but I am an Extra grade ham radio operator with lots of directional antenna experience)</p><p></p><p>There is a benefit to the drone as well - directional antennas work both ways, and while it wouldn't lower interference the drone was receiving, it WOULD increase the signal strength from your transmitter. ERP goes way up with a parabolic. But yes, keeping it aimed right is key. Fortunately, you've got a live video stream to watch, and you can keep tweaking your aim as you fly, trying to keep the video as clear as possible. Optimizing your reception should also optimize your transmission direction to provide maximum signal back to the drone. You'll get the best bang-for-the-buck out of that extender by flying somewhere that the drone won't be exposed to other competing wifi signals. IE you could realize a much bigger improvement in range in a park than in a city.</p><p></p><p>RF can be a funny thing - you'd think a bit of cheap plastic and some metallic foil would be a trashy, possibly completely useless accessory, but in this case that $8 mail-order-catalog-crap really does help. Though it opens up that other can of worms about staying within visual range of your drone...</p></blockquote><p></p>
[QUOTE="Virtual1, post: 69632, member: 4084"] (I'm not an EE but I am an Extra grade ham radio operator with lots of directional antenna experience) There is a benefit to the drone as well - directional antennas work both ways, and while it wouldn't lower interference the drone was receiving, it WOULD increase the signal strength from your transmitter. ERP goes way up with a parabolic. But yes, keeping it aimed right is key. Fortunately, you've got a live video stream to watch, and you can keep tweaking your aim as you fly, trying to keep the video as clear as possible. Optimizing your reception should also optimize your transmission direction to provide maximum signal back to the drone. You'll get the best bang-for-the-buck out of that extender by flying somewhere that the drone won't be exposed to other competing wifi signals. IE you could realize a much bigger improvement in range in a park than in a city. RF can be a funny thing - you'd think a bit of cheap plastic and some metallic foil would be a trashy, possibly completely useless accessory, but in this case that $8 mail-order-catalog-crap really does help. Though it opens up that other can of worms about staying within visual range of your drone... [/QUOTE]
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Parabolic Antenna Extender For Spark?? Any Good?