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Admin
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Everything posted by Admin
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,,, good achievement, congratulations for AmateurRadist ...!!! ,,nothing is welded, bent at 90 degrees and then riveted with the riveter...!!! PS ,, look once again, on my previous post...!!!
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,,,very good, good luck ...!!!
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,,,61mm....!!!
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A novel rectangular microstrip patch antenna for ultrawideband(UWB) applications is proposed. The ultrawide frequency response is achieved by determining the dimensions of the radiating patch of antenna . Besides a directive radiation pattern, high efficiency and a constant gain is achieved in the operating bandwidth.
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,,, if "v" is diameter, then yes...!!!
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,,, a user on this forum(ct2iok) is interested in this yagi antenna..
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1) yes,,, but the vibrator must to be weldable,..!!! 2) yes,,,, watch this forum carefully..!!!
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,,,like this...!!!???
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,,,and this it"s UMO-3F MIMO2x2 for offset parabola...??? Just added a protective solder mask.. ,,,and on YouTube...
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No, it's a simple connector...!!!
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GSM/LTE 1800MHz UL=1710-1785MHz DL=1805-1880MHz Fm=1795MHz
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,,,download(DL) it"s verry good but why upload(UL) it"s poor...???!!!
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,,, a variant with more exact dimensions ... !!! ", and if you want a cross-polarization you can use this solution...
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I don't understand what you mean...!!!
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, not only the dimensions of the patches, but also the distance between the reflector and them...!!!
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I think this is better...
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,,,may be 1,8GHz and 2,6GHz..!!!
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,,, yes, those 4 curved dipoles are for lower frequencies..and they seem to have adaptive loops on the PCB.!!!
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,,,it can still be so...
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"I do not understand anything, put the quotas on my drawing above....!!! ,, and the * cst file, I cannot download it..!!!
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Clanon, can you give me these dimensions?
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Yes, I know this antenna, but why it has two main lobes of radiation...???!!! ,,, and I do not think it has such a big gain in directivity(with only 4patches)...!!!
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X-polarization of com666 user...
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,,,a radome, it"s a structure protecting radar equipment and made from material transparent to radio waves...???? ,,, polyurethane foams...??? or dielectric lens antenna,....??
