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Tech Head - The Technology Section
SDR radio, Software Defined Radio
WXSat proof of concept
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<blockquote data-quote="Analoguesat" data-source="post: 1048938" data-attributes="member: 176362"><p>I think the main problem is just that the pages are so strong and the dongles so wide open that the pagers just swamp the front end of the dongle. I see spurious peaks right up and down the 137MHz band at times when the pagers cut in. </p><p></p><p>The pagers peaks are at least twice the height of the NOAA's signal on the spectrum graphs - very often off the top of the scale.</p><p></p><p>Here in the UK we need some bit of equipment with decent front end filtering that only lets 137MHz through. Which preferably isnt too expensive!</p></blockquote><p></p>
[QUOTE="Analoguesat, post: 1048938, member: 176362"] I think the main problem is just that the pages are so strong and the dongles so wide open that the pagers just swamp the front end of the dongle. I see spurious peaks right up and down the 137MHz band at times when the pagers cut in. The pagers peaks are at least twice the height of the NOAA's signal on the spectrum graphs - very often off the top of the scale. Here in the UK we need some bit of equipment with decent front end filtering that only lets 137MHz through. Which preferably isnt too expensive! [/QUOTE]
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Tech Head - The Technology Section
SDR radio, Software Defined Radio
WXSat proof of concept
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