![]() SDRplay have now made available a Raspberry Pi3 SD Card image which can be downloaded to give full local and remote receiver functionality on Linux, building on the work done by others (e.g. SoapySDR, SoapyRemote and Cubic SDR developers. The characteristics of the receiver are defined in software, which now gives us the opportunity to use an Arduino Shield as a front-end. This allows the user to use this Arduino shield as a signal generator, SW transmitter or even transceiver. Their frequency range has been extended to cover from 1 kHz up to 2 GHz. A Software Defined Radio is a universal tool in RF technology circles, one that can also be put to use for making measurements. A newer version of the Elektor SDR Reloaded (150515-91), the difference is that on this new version with two PLL outputs and two LF-outputs, which are accessible via additional connectors on the board (not included in the kit). Popular with Radio Amateurs, the SDRplay family of Radio Spectrum Processors provide Software Defined Radio functionality and a level of radio receiver performance which a few years ago would have cost 1000s of Dollars. ![]() ![]() This is where the modern Software Defined Radio connected to a versatile computing platform, ticks most of the 'smart' boxes. I say 'smart' meaning 'smart' in their location (demanding remote access and or portability) and 'smart' in terms of controlling signal selection, recording techniques and in the way they enable post processing of, and access to, the resulting information. ![]() But if you have an interest in collecting data which no-one else has thought to collect, and if that data can be collected from radio reception at an antenna, then smart receivers are what you may need. ![]()
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