SatEarthView vs Purple

SatEarthView shows the viewable area on Earth from the vantage point of a geosynchronous (geostationary) satellite in the equatorial plane. A geosynchronous satellite is positioned ~35,785 km above the Earth's equator, or ~42,164 km from the center of Earth. SatEarthView helps to answer the question "Can a ground terminal at a specific location on the Earth see a geosynchronous satellite at a specific longitude?

- Free WiFi wherever you go, and the deals worth walking to. Purple maps thousands of WiFi hotspots so you're never stuck without signal, and now maps the offers around you too. Food, drink and days out from venues across the city, in one place. - Deals, already mapped for you We've done the looking. Offers from venues near you, plotted on a map so you can see what's on right now. No codes to remember, no sign-ups, no coupons to wave at anyone. Walk in and it's there. - Set it up once, then forget it Add a WiFi Pass and you're done for good. In participating venues you're connected the moment you arrive, with nothing to tap, no login screen and no password to find. - Keep your data for when you need it Every venue you connect to is data you don't spend. Automatic WiFi means your data plan goes on the ride home, not the two hours you spent in a café. Know what's around you - Bars, coffee, somewhere to eat before the thing you're late for. Purple shows you what's nearby and what's worth going to.