1. Introduction I am currently running ADSB tracking software on a Raspberry Pi in my home office. This is connected to a dedicated antenna and feeds into a number of flight tracking services. All data is received direct from the aircraft and fed into the services such as FlightRadar24 and ADSB Exchange. At present, coverage broadly extends to Northumberland, over to Cumbria and down to Liverpool and North Yorkshire. There is also some coverage out into the North Sea. Below are some links to the system, mainly posted here for reference purposes. 2. Links We have a couple of options to view the live feed of aircraft in range of the antenna here (typically about 100 miles but varies in some directions). Whichever is selected, the data is the same but the different views are more about personal preference. Personally, I prefer the third option - which provides a clearer view of the flights and associated data. 2.1 Live Feeds Live View 1 Live View 2 Live View 3 2.2 Historic Data Air traf
Edit, 11th August 2024: This system is currently offline. 1. Introduction Software Defined Radio (SDR) is a way of turning a computer, phone or tablet into a radio receiver, covering a wide range of bands, modes and typically, a frequency range of 0 - 2GHz. For those not involved in the hobby, most of that probably means very little. This post will explain a little about what this means then how to access an online SDR that is operating from my home. 1.2 SDR SDR is a catch-all term describing a means of accessing radio signals through a device plugged into a computer or other device. Once signals are received, they are "decoded" by the computer and produce sound or data depending on what is being received. Advantages of SDR are: Wide frequency range - covering 0 - 2GHz (others cover different ranges but these will be useful for most users). Cheap - I use two of these and find them excellent receivers - these kits come with a basic antenna setup which is often "good eno
Introduction Given the recent US/China Balloon Incident it seems an opportune moment to discuss tracking aircraft with an SDR (Software Defined Radio) using the ADSB technology deployed in almost all commercial, private and military aircraft. Last night the US shot down the balloon which had crossed the continental US - in reality, a bizarre event - I do not know of another occasion in living memory that the US has had to use missiles to shoot down an object over it's own territory. Even during WW2 when Japan launched balloons against the US mainland, these were never shot down. Whatever the ramifications of this remain to be seen but it was interesting to note many media outlets making use of ADSB tracking data through the Flight Radar 24 website . What many people may not realise is that to track these aircraft with your own equipment is actually a trivial matter and takes no time at all to set-up. This post covers the basic setup and configuration of an SDR receiver to acqui
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