MapTracker
Last night I carried some girls from the Casino to King Street Wharf (fair dinkum, if the RTA/City Council doesn't do something about access from the Wharf, in future I'm going to refuse to enter the gridlocked precinct on Saturday nights) who complained about their in-vehicle SatNav devices giving false readings in the City.
The following graphs show how large buildings interrupt the GPS signals. At the 3-5 klm mark crossing the City the track flat-lines when the signal is lost (zoom map), whereas either side of the buildings the signal is unimpeded and tracks normally...
Speaking of dodgy SatNav instructions, can any Sydney readers identify localities where their navigation aid suggests a turn/path which is clearly illogical ?
Mapping automatically plotted by importing GPS co-ords from a Nokia N95 running SportsTracker (nerd alert!). Map images enlarge.











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