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目前顯示的是 9月, 2015的文章

software defined radio ADS-B

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For boat AIS scanner: http://www.rtl-sdr.com/rtl-sdr-tutorial-cheap-ais-ship-tracking/ For air craft: http://www.rtl-sdr.com/adsb-aircraft-radar-with-rtl-sdr/ Both need a 820T dongle, For air, ADS-B, the frequency works on 1090Mhz, so a right antenna is needed. And a quick start with Software Define Radio, is shown here: http://www.rtl-sdr.com/rtl-sdr-quick-start-guide/ First test with  SDRSharp: My first installation of driver ended with time out....try to find out why..... updating zadig from here:  http://zadig.akeo.ie/ It turns out that my PC still have windows running at that time. I finished the update and run again the Zadig, it turns out fine. but sdrsharp can't work, I hvae netfram on PC, but still try 3.5... after installation of 3.5, SDRsharp works.... I hook up an 1.2G antenna, and get some signal on 1090Mhz from air, using ADSBsharp, I do get  strings... From air.... Follow guide here: http://rtlsdrblog.rtlsdrblog.netdna-cdn.com/wp-content/uploads