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Antenna R&D
A Very Simple Antenna
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<p>[QUOTE="RF Steve, post: 141755, member: 18630"]As one who has a fascination with antennas and is always looking to try something new, simple, cheap, or free. I've built and tested many simple antenna designs, from pop cans, and coat hangers, to well designed 4 bay bow tie antennas. While almost any wire can work as an antenna in strong signal areas most random wire antennas work very poorly, however with of few simple tools a bit of time, patients, and creativity one can construct a simple antenna that might work as good or better then the latest magic little HD antenna that one finds on the shelf of the local big box store often times priced from $20 to $60.</p><p> The first time proven design that comes to mind is the simple single bow tie antenna. While such a simple antenna has vanished from store shelves. No one collects enough money selling those, such a simple design doesn't offer the eye appeal to sell well, and everyone knows it's not digital, or HD. The designs used in the past were not optimized for todays UHF channels 14-51 they still work quite well as shown in this test.</p><p><a href="http://www.hdtvexpert.com/antennas-antennas-on-the-wallwho-has-the-best-reception-of-them-all/">Antennas, Antennas, On The Wall</a></p><p> While I'm not one who has learned to do antenna modeling in 4nec2. I have a great appreciation of those who have posted the results of their work in 4nec2 on the Internet for all to make use of. Some variations of the simple bow tie antenna optimized using computer modeling can work quite well for those living in good signal areas.</p><p><a href="http://imageevent.com/holl_ands/dipoles/uhfbowties">UHF Bowties - NO Reflector</a></p><p>The easiest one for me to build is the simple four whisker.</p><p>[ATTACH]3426[/ATTACH]</p><p>Two pieces of 9 AWG wire about 21” inches long, three screws, a few salvaged scraps of PVC, and a balun. The one in the photo is built from 9 AWG aluminum which can create dissimilar metal problems in long term use. 10 AWG copper would be a good choice.</p><p>Out on the test mast 7' high the results were quite good. Solid reception of all signals in green, and yellow on the TV fool report from a simple little antenna built out of two bent wires.</p><p><a href="http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3d5b94212f12260c">TV Fool</a></p><p></p><p>Steve[/QUOTE]</p><p></p>
[QUOTE="RF Steve, post: 141755, member: 18630"]As one who has a fascination with antennas and is always looking to try something new, simple, cheap, or free. I've built and tested many simple antenna designs, from pop cans, and coat hangers, to well designed 4 bay bow tie antennas. While almost any wire can work as an antenna in strong signal areas most random wire antennas work very poorly, however with of few simple tools a bit of time, patients, and creativity one can construct a simple antenna that might work as good or better then the latest magic little HD antenna that one finds on the shelf of the local big box store often times priced from $20 to $60. The first time proven design that comes to mind is the simple single bow tie antenna. While such a simple antenna has vanished from store shelves. No one collects enough money selling those, such a simple design doesn't offer the eye appeal to sell well, and everyone knows it's not digital, or HD. The designs used in the past were not optimized for todays UHF channels 14-51 they still work quite well as shown in this test. [url=http://www.hdtvexpert.com/antennas-antennas-on-the-wallwho-has-the-best-reception-of-them-all/]Antennas, Antennas, On The Wall[/url] While I'm not one who has learned to do antenna modeling in 4nec2. I have a great appreciation of those who have posted the results of their work in 4nec2 on the Internet for all to make use of. Some variations of the simple bow tie antenna optimized using computer modeling can work quite well for those living in good signal areas. [url=http://imageevent.com/holl_ands/dipoles/uhfbowties]UHF Bowties - NO Reflector[/url] The easiest one for me to build is the simple four whisker. [ATTACH=CONFIG]3426.vB[/ATTACH] Two pieces of 9 AWG wire about 21” inches long, three screws, a few salvaged scraps of PVC, and a balun. The one in the photo is built from 9 AWG aluminum which can create dissimilar metal problems in long term use. 10 AWG copper would be a good choice. Out on the test mast 7' high the results were quite good. Solid reception of all signals in green, and yellow on the TV fool report from a simple little antenna built out of two bent wires. [url=http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3d5b94212f12260c]TV Fool[/url] Steve[/QUOTE]
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A Very Simple Antenna
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