Friday 19th June, 2015
9:00am to 9:50am
Software-defined radio (SDR) is a radio communication system where parts of the components are implemented in software. Cheap USB digital TV-receivers usually work this way. Specific chipsets that are often used for those types of receivers are generic enough to be tuned to a frequency of your choice.
And that's where the fun starts: with the right software, not only digital TV can be received but all sorts of radio communication: walkie talkies, wireless microphones, maritime AIS traffic from ships and data from ADS-B transponders of commercial airliners.
In this session I will explain the basic concepts of software-defined radio and show how to use a 7 dollar USB stick to receive and decode AIS messages from ships and ADS-B messages from airplanes. I will demonstrate how to process the data using a Java application and how to visualize it through the Google maps API. The end result is a web application that shows the actual state of ships and airplanes around the location of the receiver.
Software craftsman at JPoint, CTO at OpenValue, JUG leader at NLJUG.
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