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  • It's still available. You can sometimes find them in map retailers; outdoor gear shops might be a better option than bookshops, from experience. I've observed that they are more often seen where the maps are displayed in an OS cardboard retail stand than when they're lined up on bookshelves. You can pick them up for free. The online version can be downloaded from https://www...
    kevinm@... 16 Feb
  • ---In ordnancemaps@^$1, wrote : > Here's another question; is there any way of discovering the four grid references that define the areas covered by individual Landrangers and Explorers (i.e. the four corners of every sheet) ? I was discussing with a friend the methods that could be employed to plan a new 150-mile long-distance walking route. The approximate line can be plotted on...
    kevinm@... May 28, 2015
  • In theory - yes, you can use LIDAR for bathymetric surveys. In reality - never seen it work. It's not just the wavelength, it's the transmissivity of the water. UK coastal waters at least are normally far too turbid to get any useful penetration, due to suspended sediments and dissolved matter discharged from rivers and disturbed by tidal and wave action. Near-coast bathymetric...
    resipol Nov 17, 2011
  • --- Anthony Cartmell wrote: > > I made a Google Earth KML file of OS map boundaries some years ago > (June 2008) > > I don't know if any maps have different boundaries these days: > happy to update the file is anything has changed. I haven't checked the boundaries against newer map versions since the original database was compiled. This was in 2006, based on maps mostly published...
    resipol Jul 11, 2011