Using a DVB-T tuner dongle based on the RTL2832U chipset, it is possible to convert it into a wideband software defined radio with appropriate software. The wide band radio scanner obtained allows access to a lot of applications at a very reasonable price. These dongles are readily available on Ebay.

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I have used these dongles to track aircraft positions by decoding the ADS-B signals transmitted by the aircraft and also for receiving weather satellite images from polar orbiting satellite.

RTL-SDR dongle

12 elements collinear coax antenna

Home made ADS-B antenna. All 12 elements sealed in a pvc pipe.

Using adsbSCOPE 2.7 to decode signal transmitted by aircraft.

Receiving Meteor-M N2 Russian weather polar orbiting satellite.

Using a RTL-SDR with a raspberry pi for receiving ADS-B signal.

Sending aircraft positions to FltRadar 24 using a RTL-SDR dongle and dump1090 software on a window laptop.