A regular question that arises is why you should go through all the trouble of installing an ADS-B sensor when many people have done so already and you can simply use flight tracking websites such as OpenSky to follow almost any aircraft your want. This post is going to list some of the reasons why people are joining the flight tracking community and sharing their own data.
Yes, they do, at least partially, but there are massive differences between countries.
Let’s add some data to this popular question, shall we? This is from our recent paper at the. We collected ADS-B and Mode A/C/S data from over 6000 aircraft operated by militaries all over the world (with a strong focus on Europe/the US) using the . The key plot to answer the question is the following: