SS7 Means Signaling System 7 or If I tell you in easy language, then it is a network system that helps in the user’s network protocol. If you send a text to someone, then who will go to the text and how will it go, this job sees the signaling system 7. If you call someone, then how long will the call be connected and how much it will charge, all this work only count the signaling system 7.
The OpenSky Network is a community-based receiver network which continuously collects air traffic surveillance data. Unlike other networks, OpenSky keeps the collected raw data forever and makes it accessible to researchers. With over eight trillion ADS-B and Mode S messages collected from more than 1000 sensors around the world, the OpenSky Network exhibits the largest air traffic surveillance dataset of its kind.