* Location: Helford lat=50.091122 - lon=-5.136952  iy=402  ix=669
540000.000000,0.054172,0.000000,0.054172
543600.000000,0.063045,0.000000,0.063045
547200.000000,0.073301,0.000000,0.073301
550800.000000,0.086237,0.000000,0.086237
550800.000000,0.086237,0.000000,0.086237
