There are web sites that can provide this information as well as programs that will not only tell you when the satellite is in range, but also help you track it (some of the SDR radio software programs also perform this function). You need to know when the satellite will be in range of your ground station.
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You can also set it up to help with the Doppler shift. The satellite tracking window will help identify satellites in range, and display altitude, azimuth, and distance during the pass. You can store multiple favorite frequencies and it has multipleVFOs for tuning. The SDR Console V2 software is available at and is our favorite SDR radio software. Many modulations and data types have a unique look on the waterfall display this helps not only identify the frequency, but what is being transmitted.
Most also have a waterfall display – so you can see a piece of the RF spectrum around the signal you are listening to. These allow changing the receive frequency of the radio, you can change the modulation type, and many allow you to decode digital data or even help track satellites and handle the Doppler shift. There are several different software packages available most you can download for free.
With the Software Defined Radios, part of the radio is in the “radio” (or USB dongle), and the rest is in software running on your personal computer.
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Now in part 2 (the final part), they describe the software, the QFH (Quadrafilar Helix antenna) they built, and how to put everything together.
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