[Spanish] [Ráfaga] Nº154: roads, hydrology, radar, coverage, adresses

[Jorge Sanz]

SIGCAR; Spanish portal all about the road network
http://beta.sigcar.es/sigc.php

Satellite hydrology: automatic detection of river widths
http://earthobservatory.nasa.gov/IOTD/view.php?id=86172&src=iotdrss

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