Originally Posted by
DaveReidUK
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.
Wrong. S-mode packets are time-stamped on the receiver before they are uploaded to the server.
Originally Posted by
DaveReidUK
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.
Partially wrong. Some receivers are GPS time synced and some are not. See RYFQB's explanation.