#154: roads, hydrology, radar, coverage, addresses
, last check: Wed, 26 Aug 2026. Post history
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roads
SIGCAR; Spanish portal all about the road network
http://beta.sigcar.es/sigc.php -
hydrology
Satellite hydrology: automatic detection of river widths
https://science.nasa.gov/earth/earth-observatory/a-satellite-view-of-river-width-86172/ -
radar
A radar for bikes to detect when a car is getting close
https://www.garmin.com/en-US/US/into-sports/cycling/p/518151 | archive.org -
coverage
Crowd source mobile signal map created using a mobile application
https://www.opensignal.com/ -
addresses
An easy and global system of simple addresses for the whole planet that pretends to become an ISO standard
https://www.mapcode.com/en/
Raf