BeagleBone enthusiasts that would like to transform their BeagleBone Black into a wide-band (0-30 MHz) SDR with a multi-user web interface, might be interested in a new piece of system called KiwiSDR which has been developed by Valent F(x) based in Salt Lake City.
The Valent F(x) KiwiSDR system comes complete with a software-defined GPS receiver, and has this month launched via the Kickstarter crowdfunding campaign looking to raise $50,000 to make the jump into production.
Watch the promotional video below to learn more about the BeagleBone Black KiwiSDR software and hardware and its features. As developers explain a little more about the inspiration behind the software and its functionality.
KiwiSDR is a software-defined radio (SDR) covering shortwave, the longwave & AM broadcast bands, various utility stations, and amateur radio transmissions, world-wide, in the spectrum from 10 kHz to 30 MHz. The KiwiSDR is a custom circuit board you connect to an inexpensive BeagleBone Black or Green computer. Add an antenna, power supply, internet connection, then install the software package to be running in minutes.
An HTML5-capable browser and internet connection will let you listen to a public KiwiSDR anywhere in the world. Up to four people can listen simultaneously to one receiver — each listener tunes independently.
Features include :
– Browser-based interface allows up to 4 simultaneous user web connections per KiwiSDR.
– Each connection tunes an independent receiver channel over the entire spectrum.
– Waterfall display tunes independently of audio and includes zooming and panning.
– 100% Open Source / Open Hardware / Open PCB.
– Extra attention paid to VLF/LF performance.
– Automatic frequency calibration via received GPS timing.
– Easy hardware and software setup.
– Browser-based configuration interface.
– Compatible with BeagleBone Black/Green cape specification.
– Multi-channel, parallel DDC design using bit-width optimized CIC filters.
– Linear Technology 14-bit, 65 MHz ADC.
– Xilinx Artix-7 A35 FPGA, programmed from the Beagle.
– Integrated 12-channel software-defined GPS receiver.
– Skyworks SE4150L GPS front-end.
– Web interface based on OpenWebRX from András Retzler, HA7ILM.
– Integrated software-defined GPS receiver from Andrew Holme’s Homemade GPS Receiver.
– Simple build environment. Recompiles on Beagle from clean in two minutes.
– Automatically starts when the Beagle (re)boots.
– Optional automatic software updates over the network.
– Configuration and admin settings accessed through browser interface or text files.
– ADPCM audio and waterfall compression to minimize required network bandwidth.
– All sources are on Github.
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