Blogger [radioforeveryone] set out to look at 19 different RTL-SDR dongles for use in receiving ADS-B (that’s the system where airplanes determine their position and broadcast it). Not all of… ...

He didn’t have any equipment to test the sensor, but he did have an RTL-SDR dongle and some know-how to figure out how to listen in on the sensors.

He provided me with an RTL-SDR Blog V4 SDR dongle ($39.95, covering 500 kHz to 1.766 GHz), along with a small TV-style collapsible antenna and stand. “Instead of doing all the ‘math’ required to ...

The creators of the RTL-SDR hardware explain more about its features, inspiration and functionality. “This is a radio server that allows RTL-SDR dongle to receive from the Web.

To receive the images and sounds, Mr Karwacki said he used an RTL-SDR dongle, an antenna, the SDRSharp programme to receive the data and MMSTV software to decode it.