Episode 2 of the 2020 SDR Guide gives details of how to make use of over 500 software defined radio devices that are available NO cost to you. You don't even need to register to any sites to use these. You can monitor VHF, UHF & 800 MHz as well as HF with some of these! There are 4 primary sources - and this episode guides you through is valuable information for any shortwave listener (SWL), radio amateur (HAM radio operator), or anyone with a keen interest in radio communications a
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