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#11
March 6th 15, 03:29 PM
posted to uk.radio.amateur,rec.radio.amateur.homebrew
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The biscuit barrel
On 3/6/2015 10:21 AM, Brian Reay wrote:
On 06/03/2015 15:07, rickman wrote: On 3/6/2015 2:46 AM, AndyW wrote: On 05/03/2015 23:04, gareth wrote: "Iain Young, G7III" wrote in message ... An awful lot of evidence by citing off-the-shelf solutions for both the hardware and the software of SDR. It depends where you draw the line. I have a DVB dongle that I use under linux. I use pre-written drivers and a waterfall code module but the rest of the code is self-written by me in c++ and python with some java 2D stuff for the pretty front end and logging and analysis (largely because I prefer the collections interface in Java over c++ for massive data handling). It is certainly homebrew because the amount of time and effort I spent in writing to code (and time to learn python on codeacademy - good site BTW) was probably longer than I have spent designing and building hardware. Your mileage may vary.... Andy I didn't know about these things. Pretty amazing. A UHF/VHF tuner for under $10 on eBay. Which one do you have? There are a number of similar ones. This is the one I have: http://www.ebay.co.uk/itm/RTL2832U-R...em566780 9155 You need to make or buy an antenna connector so you can use a BNC or something sensible to connect to your antenna system. The supplied antenna is pretty grim, I suppose you could use the connector an snip the rather poor coax short and put a decent connector on it. Depending on which OS you use, there are a number of existing programs you can use with it to get a feel for it before you start developing your own. Some people use them with R Pi's to make receive only iGates or Internet Scanners etc. I think I even saw a webpage where someone had used one as a spectrum analyser. My understanding was that the idea of using them as SDRs came from the USA but perhaps not. What do you use yours for? -- Rick |
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