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Antenna R&D
Antenna Gain - Is it the ultimate measure of a better antenna?
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<p>[QUOTE="JER, post: 32923, member: 4529"]We're in the process of reworking the base of the Clearstream base now to make it easier to attach the coax. It shouldn't be too long before they are shipping the improved version.</p><p></p><p>I believe on the seam you refer to is ultrasonically welded so it should be well sealed. The tooling for the plastic molds is expensive to develop and making changes can be risky. I'll check again with the mechanical & manufacturing guys about the sealing and see if they think a drain hole is necessary. Waterproofing enclosures can be tricky and I'm not the expert there. Apparently they need to breath somehow to deal with pressure changes. I'll note that the original idea was to make the Clearstream loops out of thick AL stock so that it would be super solid and impervious to damage but the price of AL is so high we had to switch and do the thin element with the plastic enclosure. In the end, I think the plastic is very strong and perhaps a better use of materials.</p><p></p><p>We always appreciate constructive suggestions. Thanks!</p><p></p><p>We also appreciate field reports on our products. Its very helpful for us to know how and where people are using our products and what kind of results they are getting.</p><p></p><p>As I said we are a small company so for efficiency we use state of the art computer simulators and lab testing in the development process and then follow up with some limited field testing to ensure that what we see in the computer and lab are being realized in the field. The computer sims and lab measurements usually, but not always, show good correlation with performance in the field. We don't however have time or budget to do the kinds of extensive testing that Fox TV is doing as he evaluates his coverage area so having that kind of feed back from experienced and knowledgeable individuals is quite valuable to us. </p><p></p><p>Thanks again![/QUOTE]</p><p></p>
[QUOTE="JER, post: 32923, member: 4529"]We're in the process of reworking the base of the Clearstream base now to make it easier to attach the coax. It shouldn't be too long before they are shipping the improved version. I believe on the seam you refer to is ultrasonically welded so it should be well sealed. The tooling for the plastic molds is expensive to develop and making changes can be risky. I'll check again with the mechanical & manufacturing guys about the sealing and see if they think a drain hole is necessary. Waterproofing enclosures can be tricky and I'm not the expert there. Apparently they need to breath somehow to deal with pressure changes. I'll note that the original idea was to make the Clearstream loops out of thick AL stock so that it would be super solid and impervious to damage but the price of AL is so high we had to switch and do the thin element with the plastic enclosure. In the end, I think the plastic is very strong and perhaps a better use of materials. We always appreciate constructive suggestions. Thanks! We also appreciate field reports on our products. Its very helpful for us to know how and where people are using our products and what kind of results they are getting. As I said we are a small company so for efficiency we use state of the art computer simulators and lab testing in the development process and then follow up with some limited field testing to ensure that what we see in the computer and lab are being realized in the field. The computer sims and lab measurements usually, but not always, show good correlation with performance in the field. We don't however have time or budget to do the kinds of extensive testing that Fox TV is doing as he evaluates his coverage area so having that kind of feed back from experienced and knowledgeable individuals is quite valuable to us. Thanks again![/QUOTE]
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Antenna Gain - Is it the ultimate measure of a better antenna?
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