28 Jan '13, 2pm

Great antenna for software defined radio is really easy to make

Great antenna for software defined radio is really easy to make

The University of Kent’s hackerspace, TinkerSoc, recently had a talk on software-defined radio using an incredibly inexpensive USB TV tuner. Of course this is nothing new to Hackaday readers, but they did manage to build one of the best antennas for their TV dongle. It’s a discone antenna , and is perfectly suited for tuning into a whole bunch of really cool things such as weather balloons and aircraft transponders. The idea discone antenna looks exactly like its namesake; a metal disk attached to a metal cone. Of course with the frequencies the RTL software-defined radio deals with, it’s rarely necessary to build antennas out of sheet metal. The team at TinkerSoc built their discone out of galvanized garden wire and attached it to the input of their TV tuner. All the dimensions for their discone antenna were gleaned from [ve3sqb]‘s antenna design programs . Since TinkerSo...

Full article: http://hackaday.com/2013/01/28/great-antenna-for-software...

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