A couple of months ago, I got satellite internet. It is the only thing available out here except dial-up.
The device which receives the signal and then routes it to my computer has little blue lights which show when data is being sent or received. It is actually right beside my bed.
I have noticed that often in the middle of the night when my computers are turned off, that I sometimes see both the send and receive lights blink for a few seconds.
We have satellite internet also.
I’ve got the same set up.
I think that has something to do with the date and time updates but I’m not sure.
The blinking lights will tell you if something is being sent when it isn’t you sending it.