Above is the terrain data from today’s test walk, just latitude, longitude and elevation in gnuplot’s beautiful default colour scheme. The sniffer has been fixed and bottled up.
It’s interesting that where yesterdays walk plotted general air quality against landscape and came up with something not too disimilar from that which is visible (see: http://invisible.folly.co.uk/hoad-plots/) plotting ozone concentrations (z) against latitude and longitude (x,y) produces a dramatically different image of the landscape. In the above image the terrain data (green) and a plot of latitude, longitude and ozone concentrations (purple) are overlayed to stress this difference. Below are some further maps of the route taken today and images from a few notable locations.
Nearby, someone was building a house.
Slimy and decaying seating, found just beyond the border of Ulverston.
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Ozone
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