Originally Posted by
Nemrytter
Once again, you are assuming that the FR24 data is accurate. Prior experience suggests that this is often not the case. Sometimes this is because FR24 fudges the data, more often it's because bad data is transmitted.
Moreover, FR24 data is not synchronous, it's subject to whatever latency exists in the Internet connection between the enthusiast's receiver and the server.
That's particularly apparent in this instance, where the published data comes from 3 separate receivers, presumably in 3 different locations (see column 13 in the CSV file). Those clearly aren't time-synchronised, which is why we see wild variations of parameter values within the same second.
In other words, trying to construct a time-series with the data is fraught with problems. I'm very disappointed that ASN appears to have fallen into that trap with their dodgy graph.