Another firefighter is stationed at a key point to relay messages to the teams above.

CNN: workers

The dish would send the ISP's data up to one of the satellites (in low earth orbits to minimize signal delay), which would then relay the data back down to a backbone access point.

CNN: What will the Internet of the future be like?

They are the first point of contact for anyone who wants to relay their experiences to the inquiry.

BBC: Sir Anthony Hart