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Tech Head - The Technology Section
SDR radio, Software Defined Radio
Satdump software & wxsat reception
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<blockquote data-quote="Terryl" data-source="post: 1162372" data-attributes="member: 369937"><p>I'm using that same antenna and I'm getting good results after a bit of tuning.</p><p></p><p>The only problem I ran into when assembling the coax matching elements was the fact that most 75 ohm coax has aluminum shielding, trying to connect that to the 50 ohm coax with a copper shield was a puzzle, until I used a couple of standard crimp connectors rated for a AL/CU connection.</p><p></p><p>And be sure to use some electrical tape or heat shrink to avoid any possible shorts between the center conductors and shielding.</p><p></p><p>Also instead of using a SO-239 at the end I just soldered directly to my down lead coax, worked for me.</p></blockquote><p></p>
[QUOTE="Terryl, post: 1162372, member: 369937"] I'm using that same antenna and I'm getting good results after a bit of tuning. The only problem I ran into when assembling the coax matching elements was the fact that most 75 ohm coax has aluminum shielding, trying to connect that to the 50 ohm coax with a copper shield was a puzzle, until I used a couple of standard crimp connectors rated for a AL/CU connection. And be sure to use some electrical tape or heat shrink to avoid any possible shorts between the center conductors and shielding. Also instead of using a SO-239 at the end I just soldered directly to my down lead coax, worked for me. [/QUOTE]
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Satdump software & wxsat reception
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