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devton
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Everything posted by devton
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hm...they got two 3.5dbi antennas X-pol... 3.5 x 3.5 = 12 (dbi) THIS is how this chinese antennas arithmetic woks
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extender fo not so long distances
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show us fotos or your fm reciever, please i think in your case there is some port\antenna missmatch and it is the only trouble on your way to ultra-long range FM-sessions
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)) i think u do not need just "better things" i found this "Sven says this horizontal antenna receives stations 250–300 km away in northern Germany almost like locals" and if u got some troubles receiving stantions from 250km, it is most likely because it is 75 OHM antenna and your reciever input is most likely 36 o 50 ohms
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addind 1-2 directors and re-emulating this FM5 looks like good idea
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So THE best option 4 u is: Small FM5 Yagi because it is less than 3m, THE simplest construction, good F\B and tested for you requested distance: "Sven says this horizontal antenna receives stations 250–300 km away in northern Germany almost like locals" http://www.ham-radio.com/k6sti/five.htm it is so easy to produce. U can make your own and test it in couple hours
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THE best FM-antenna is: FM5 YAGi https://3g-aerial.biz/fm5-small-antenna
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only practice will show...but i still think: cable length from #3 on video and conection scheme from #1 is the best option
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he is using 3 Different cable length in this antennas so IF you try to use cable length from #3 type (best SWR on video) AND use this cable length with connection option #1 it will be the best
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1st but the difference will be small and not the fact that it is particularly measurable
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the right name for "698-3800 Mhz Yagi" is "Log-periodic antenna" =)
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wow! someone in russia makes it for 5.8!
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no he used big 2.4ghz version in video
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dude used your Batwing to get 5.8 GHz...can you show simulation for your Btwing on 5.2-6GHz?
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hm...what if you try to model Batwing with 90 degree 2d-corner reflector?? 0_o corner reflector antenna with Batwing instead of dipole! 0.36...0.4 wavelength from corner top to axis of batwing batwing plane in plane of corner's bisector
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i know swr on video is just beautiful
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This is your batwing made in russia! Wow! p.s he just a little bit mess with reflector angle
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useless because: https://encrypted-tbn0.gstatic.com/images?q=tbn%3AANd9GcQbN4PrLX2HeFXsEbDTY0c9193ykPSbLNTkVg&usqp=CAU
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SWR and sizes are beautiful! but it is hard to produce can u model this simple batwing with simple reflector batwing: square reflector with wings:
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do you have SWR-meter to test them?
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no, you did not model your Wings Reflector with Exactly this simple batwing: please combine it,model it
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so can you simulate this backplate with wings with this batwing: i need SWR graph frrom 1700mhz to 2700mhz
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i mean radiation pattern and Ohms of that specific batwing with this reflector with wings
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