HD1_Grid 
grid          latS     lonW
620.0  040.0  -64.7982  -64.1224
620.0  040.0  -64.7982  -64.1224
620.0  035.0  -64.8276  -64.0429
620.0  030.0  -64.857  -63.9632
617.5  030.0  -64.8739  -63.9977
617.5  040.0  -64.8151  -64.1569
615.0  040.0  -64.832  -64.1915
615.0  037.5  -64.8468  -64.1518
615.0  035.0  -64.8615  -64.112
615.0  030.0  -64.8909  -64.0323
612.5  030.0  -64.9078  -64.0669
612.5  037.5  -64.8637  -64.1864
612.5  040.0  -64.8489  -64.2262
610.0  040.0  -64.8658  -64.2608
610.0  035.0  -64.8953  -64.1813
610.0  030.0  -64.9248  -64.1016
607.5  030.0  -64.9417  -64.1363
607.5  040.0  -64.8827  -64.2956
605.0  040.0  -64.8996  -64.3303
605.0  035.0  -64.9291  -64.2508
605.0  032.5  -64.9439  -64.2109
605.0  030.0  -64.9586  -64.171
602.5  030.0  -64.9755  -64.2058
602.5  040.0  -64.9165  -64.3651
600.0  040.0  -64.9333  -64.4
600.0  035.0  -64.9629  -64.3204
600.0  030.0  -64.9924  -64.2407
600.0  030.0  -64.9924  -64.2407