ELI5: Explain Like I'm 5

Footprint (satellite)

Hey kiddo, do you know what a footprint is? It’s like when you step on the ground and leave a mark behind. Well, satellites also have footprints, but not the kind you can see.

A satellite’s footprint is the area on the Earth’s surface where it can receive signals and send signals back to. It’s like a big circle on a map that shows the satellite’s coverage area.

The size of the footprint depends on a few things like how high the satellite is above the Earth and how strong its signals are. Some footprints are really big and cover a whole continent, while others are smaller and only cover a city.

Satellite companies use footprints to figure out where to point antennas to get the best signal. Without footprints, your TV and phone might not work as well, and we wouldn’t be able to do things like get weather reports from space!