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I made antenna by myself. Complete step-by-step manual of creation Quadrifilar Antenna with photos of each stage here. It costs about 20$ and time.
• Buy or make by yourself the receiver
I bought receiver AR3000A, upgraded to AR3000A+. Complete manual for upgrading AR3000A, recommended by vendor. Expenses – 320 USD for receiver, which I bought on the second-hand market and 5$ for upgrade.
You can buy specialized receiver, for example, here: http://www.emgo.cz/
• Install the software
I choose WXtoImg software. You can download it for free here: http://www.wxtoimg.com/downloads/ (Size ~7.47MB). Here you can see detailed overview of this software.
Good luck!
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