* Location: Loctudy lat=47.830181 - lon=-4.171002  iy=1136  ix=2023
540000.000000,0.091766,0.000000,0.091766
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547200.000000,0.119815,0.000000,0.119815
550800.000000,0.136480,0.000000,0.136480
550800.000000,0.136480,0.000000,0.136480
