[chbot] KiwiSDR - a wideband Software Defined Radio receiver.

[Michael Field]

Hi,

Yesterday I backed KiwiSDR,

https://www.kickstarter.com/projects/1575992013/kiwisdr-beaglebone-software-defined-radio-sdr-with

"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 <http://beagleboard.org/BLACK> orGreen 
<http://seeedstudio.com/wiki/BeagleBone_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."

A few prototypes are in the wild... If you want to listen in Tauranga, 
click on http://kiwisdr.com:8073/ (4 users at a time).

The board itself is a 14-bit ADC running at 66MS/s, and a 2-bit ADC for 
the GPS stream. It talks through to the BeagleBone through SPI to 
transfer the spectrum waterfall and audio output. Of course being open 
source you can download your own deisgns to the FPGA I am just doing 
some numbers on what would be invoved in putting this off grid.

I haven't looked much at SDR, but it seems to be the least expensive 
platform I've seen that gives direct access to the ~0 to 30MHz spectrum



-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ourshack.com/pipermail/chchrobotics/attachments/20160319/6fb2e81c/attachment.html>