Enter the OS grid references into the text boxes (TA or ta plus 10 digits with or without spaces, e.g. TA 25573 39696, ta2557339696).
Locations and coordinates of erosion monitoring profiles may be copied and pasted from this spreadsheet. Cliff top positions appear in Column P.
For a standard bearing, enter the southern point as Location 1.
Take care with your typing – there are no error checking routines.
‘NaN’ may appear in the results boxes until correct input is completed.
more on East Yorkshire coastal erosion
Core program by Chris Veness, 2002-2010. Adapted by Brian Williams in April 2014.