Menu
Home
News
Forums
New posts
Search forums
What's new
New posts
New profile posts
Latest activity
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Home
Forums
Advanced Discussion
Antenna R&D
lost channels on antenna
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
Reply to thread
Message
<p>[QUOTE="RF Steve, post: 115306, member: 18630"]I can comment on the home brew. Dimensions can be critical. The most common easiest to find internet plans are of a very poor design to start with. I don't know what plans you used. From the look of the phasing line cross over between the elements it could be enough to kill the whole project hard to tell from a photo. Being a bit off on a measurement here, or there usually won't kill the project. Being a bit off on a measurement here, there, and everywhere can easily kill the whole project. I am not a good builder. My first 4 bay was a nightmare to try and put together and get right. It did work when finished. The second one wasn't much easier to build, but was a much better antenna when finished. A well built 2 bay using the correct dimensions will work better the a poorly built 4 bay using the wrong dimensions. Here are two links to known to be good tested and, computer modeled 4 bay antenna designs.</p><p><a href="http://www.dtvusaforum.com/dtv-hdtv-reception-antenna-discussion/8629-kosmic-antennas-superquad-4-bay-bowtie.html">http://www.dtvusaforum.com/dtv-hdtv-reception-antenna-discussion/8629-kosmic-antennas-superquad-4-bay-bowtie.html</a></p><p><a href="http://m4antenna.eastmasonvilleweather.com/">http://m4antenna.eastmasonvilleweather.com/</a></p><p>I can reference to a lot more information on those two antenna designs.</p><p>Even when correctly built the next popular youtube design is a poor performer. </p><p><a href="http://imageevent.com/holl_ands/multibay/4bay/utube">UTube 4-Bay Bowtie - NO Reflector</a></p><p>I'm actually quite a fan of the very simple 10"x9.5" mclapp 2 bay.</p><p>A great little test antenna.</p><p>I now know what plans you used.[/QUOTE]</p><p></p>
[QUOTE="RF Steve, post: 115306, member: 18630"]I can comment on the home brew. Dimensions can be critical. The most common easiest to find internet plans are of a very poor design to start with. I don't know what plans you used. From the look of the phasing line cross over between the elements it could be enough to kill the whole project hard to tell from a photo. Being a bit off on a measurement here, or there usually won't kill the project. Being a bit off on a measurement here, there, and everywhere can easily kill the whole project. I am not a good builder. My first 4 bay was a nightmare to try and put together and get right. It did work when finished. The second one wasn't much easier to build, but was a much better antenna when finished. A well built 2 bay using the correct dimensions will work better the a poorly built 4 bay using the wrong dimensions. Here are two links to known to be good tested and, computer modeled 4 bay antenna designs. [url]http://www.dtvusaforum.com/dtv-hdtv-reception-antenna-discussion/8629-kosmic-antennas-superquad-4-bay-bowtie.html[/url] [url]http://m4antenna.eastmasonvilleweather.com/[/url] I can reference to a lot more information on those two antenna designs. Even when correctly built the next popular youtube design is a poor performer. [url=http://imageevent.com/holl_ands/multibay/4bay/utube]UTube 4-Bay Bowtie - NO Reflector[/url] I'm actually quite a fan of the very simple 10"x9.5" mclapp 2 bay. A great little test antenna. I now know what plans you used.[/QUOTE]
Preview
Name
Verification
Post reply
Home
Forums
Advanced Discussion
Antenna R&D
lost channels on antenna
Top