You'd still need to send the mlat messages from each receiver though, you can't ...

sorenjan on Feb 18, 2019 | parent | context | favorite | on: Flightradar24 – how it works

You'd still need to send the mlat messages from each receiver though, you can't aggregate them from one computer since there's no position included in the sent messages. And I don't know why it would be a problem to feed from each receiver, they need connectivity any way.