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http://pagesperso-orange.fr/f6crp/tech/rx_sdr.htm
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http://mikeyancey.com/FM-Stereo-Broadcaster.php
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http://mjrainey.googlepages.com/dasderelicht
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http://ea3fxf.googlepages.com/flea
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http://www.sdr-kits.net/USB/USB_Description.html#Ordering
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http://blog.makezine.com/archive/2009...n_ham_radio.html?CMP=OTC-0D6B48984890
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http://interface.khm.de/index.php/lab...nts/arduino-frequency-counter-library
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http://radiof6kfa.free.fr/rep_site_kfa/html/technique_1.htm
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http://www.rfm.com/corp/appdata/antenna.pdf