The article describes how to receive weather imagery directly from satellites using an SDR. It's a fun project, and surely useful if you don't have Internet access.
However, if you do have Internet access, GOES-16 [1] provides a beautiful full-color live feed of the Earth which you can easily download with wget/curl. For example, paste the following:
wget $(curl -s https://www.star.nesdis.noaa.gov/GOES/fulldisk.php?sat=G16 | grep -o -e 'https://cdn.star.nesdis.noaa.gov/GOES16/ABI/FD/GEOCOLOR/[0-9]*_GOES16-ABI-FD-GEOCOLOR-1808x1808.jpg' | head -1) -O earth.jpg && open earth.jpg
It's fun to use as a live-updating wallpaper or background.
It looks they were using a free certificate from Lets Encypt. These only last for a few months.
Lets Encrypt only does "Domain Validation" so the registrant of the domain name is the only thing they check. They do not issue certificates for IP addresses.
This website works without a domain name. The traffic is still encrypted. How do we know this is really NOAA running the website at this IP address? We can check and see that the IP address belongs to AS 6629 and that AS belongs to NOAA.
It is arguable this information provides better "authentication" than the Lets Encrypt certificate. It is certainly easier to fraudulently gain control over a domain name from a domain name registrar than it is to fraudulently gain control over an IP address block from a regional internet registry or via BGP hijacking.
Some of the Landsat ones have a web service to download any covered area of earth. They pass over the same area about every 14 days though, so you won’t get a life feed of a location.
But the view displayed on the website isn't changing. There's an "east" page displaying an amazing view of South America and a "west" page displaying mostly the Pacific Ocean. Images supposedly update every ten minutes, but those are the only two views you get.
That's correct, thank you - but this only applies to the raw satellite link. The data itself is not available for download for the european region, afaik - that was what I was asking for. :)
However, if you do have Internet access, GOES-16 [1] provides a beautiful full-color live feed of the Earth which you can easily download with wget/curl. For example, paste the following:
It's fun to use as a live-updating wallpaper or background.[1] https://www.star.nesdis.noaa.gov/GOES/fulldisk.php?sat=G16