* Location: Treguennec lat=47.894306 - lon=-4.327361  iy=1138  ix=2019
540000.000000,0.054497,0.000000,0.054497
543600.000000,0.062667,0.000000,0.062667
547200.000000,0.071374,0.000000,0.071374
550800.000000,0.081441,0.000000,0.081441
550800.000000,0.081441,0.000000,0.081441
