PortableSDR Transceiver

Fully stand-alone HF (Shortwave) Software Defined Transceiver & Vector Network Analyzer. Designed for rugged portable use. Highly hackable. The PSDR is a completely stand-alone (no computer needed), compact, Portable Software Defined Transceiver (hence the name, sorta). Originally designed for backpacking use by Ham Radio operators. It includes complete coverage up to about 30Mhz (plus 144Mhz),…

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New Raspberry Pi 2 Released

A deep discussion with Raspberry Pi founder about a new generation of Raspberry Pi by MAKE Magazine Photo by makezine.com Photo by makezine.com On the face of it the new Raspberry Pi 2 looks very similar to the Model B+, so similar in fact that if you sit them down next to each other the…

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Global radiation monitoring network

Description The uRADMonitor is a completely assembled and functional radiation dosimeter unit. In the current models, the radiation detector is a Geiger Muller tube. The electronics provided are self sufficient: there is a fast microcontroller, a precision regulated high voltage supply, a digital counter and a network interface (Ethernet). The detector works by itself, while…

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