#154: roads, hydrology, radar, coverage, addresses
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SIGCAR; Spanish portal all about the road network
http://beta.sigcar.es/sigc.php -
Satellite hydrology: automatic detection of river widths
https://earthobservatory.nasa.gov/images/86172/ -
A radar for bikes to detect when a car is getting close
https://buy.garmin.com/en-US/US/into-sports/cycling/varia-rearview-radar/prod518151.html -
Crowd source mobile signal map created using a mobile application
http://opensignal.com/ -
An easy and global system of simple addresses for the whole planet that pretends to become an ISO standard
http://www.mapcode.com/
Raf