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TUL
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Everything posted by TUL
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The front director frame has a cut / gap in the middle of the bottom of the square. The gap in the cut is about 1.5-2 mm. The gap is closed with a plastic holder. This is to widen the band. Was the director's clearance taken into account in the model when calculating? http://dvbpro.ru/obzor-komnatnoy-antenny-troynoy-kvadrat-signal-3-0/
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Примерные характеристики антенны Дельта Н117.F-5V
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Правильный размер 244 мм. За бортиками на фото ими закрыты отверстия крепления рефлектора к корпусу антенны. В моём варианте получилось почти 256 мм. The correct size is 244 mm. Behind the sides in the photo, they closed the holes for mounting the reflector to the antenna body. In my version it turned out almost 256 mm.
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Здесь он похоже ошибся или измерил между торцами пластин. Реально между пластинами больше чем 244. Размер должен быть порядка 260 мм, то есть совпадать с шириной рефлектора Here he seems to have made a mistake or measured between the ends of the plates. In reality, there is more than 244 between the plates. The size should be about 260 mm, that is, it must coincide with the width of the reflector
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В вашей модели слева и справа пропущены два бортика. Рефлектор П образный. Фото оригинального рефлектора есть в статье. http://dvbpro.ru/obzor-naruzhnoj-antenny-delta-n117a-f-5v/ В моей пробной модели бортики сделаны из фольги единым целым с рефлектором. Высота их порядка 28 мм. In your model, two sides are missing on the left and right. P-shaped reflector. A photo of the original reflector is in the article. http://dvbpro.ru/obzor-naruzhnoj-antenny-delta-n117a-f-5v/ In my trial model, the sides are made of foil as a unit with a reflector. Their height is about 28 mm.
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https://forum-t2.com/viewtopic.php?t=2956&sid=e4fb128bd0c01cc72b92055eceb49762
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I will give you a demonstration for the 470-820 MHz frequency band....!!! ????.......
