srtmtools: SRTM tools

srtm.list <- function(){
srtm_list <- c("srtm_51_05",
"srtm_56_07",
"srtm_57_07",
"srtm_57_06",
"srtm_57_08",
"srtm_52_06",
"srtm_58_07",
"srtm_56_06",
"srtm_58_06",
"srtm_23_18",
"srtm_22_15",
"srtm_55_07",
"srtm_23_17",
"srtm_44_11",
"srtm_56_08",
"srtm_50_06",
"srtm_11_01",
"srtm_13_03",
"srtm_23_16",
"srtm_56_02",
"srtm_44_10",
"srtm_15_05",
"srtm_21_14",
"srtm_13_02",
"srtm_53_06",
"srtm_50_05",
"srtm_15_07",
"srtm_59_05",
"srtm_60_07",
"srtm_13_05",
"srtm_55_06",
"srtm_52_05",
"srtm_28_16",
"srtm_59_07",
"srtm_14_05",
"srtm_56_05",
"srtm_16_08",
"srtm_54_02",
"srtm_57_05",
"srtm_21_13",
"srtm_12_02",
"srtm_62_04",
"srtm_52_04",
"srtm_26_18",
"srtm_14_03",
"srtm_13_04",
"srtm_60_01",
"srtm_42_13",
"srtm_20_05",
"srtm_41_04",
"srtm_14_04",
"srtm_54_07",
"srtm_38_03",
"srtm_46_05",
"srtm_22_11",
"srtm_56_03",
"srtm_59_01",
"srtm_63_02",
"srtm_15_04",
"srtm_60_04",
"srtm_47_06",
"srtm_45_04",
"srtm_16_07",
"srtm_55_02",
"srtm_57_03",
"srtm_45_05",
"srtm_39_03",
"srtm_58_05",
"srtm_22_22",
"srtm_55_03",
"srtm_12_04",
"srtm_54_06",
"srtm_12_03",
"srtm_15_06",
"srtm_10_01",
"srtm_54_03",
"srtm_59_06",
"srtm_57_09",
"srtm_51_04",
"srtm_39_13",
"srtm_57_02",
"srtm_39_12",
"srtm_44_13",
"srtm_40_14",
"srtm_44_05",
"srtm_49_06",
"srtm_55_05",
"srtm_39_11",
"srtm_27_16",
"srtm_43_16",
"srtm_24_12",
"srtm_25_12",
"srtm_63_01",
"srtm_46_16",
"srtm_58_08",
"srtm_45_11",
"srtm_54_05",
"srtm_53_04",
"srtm_23_19",
"srtm_48_06",
"srtm_27_17",
"srtm_41_03",
"srtm_28_15",
"srtm_61_02",
"srtm_58_03",
"srtm_59_02",
"srtm_25_14",
"srtm_11_02",
"srtm_40_08",
"srtm_44_15",
"srtm_14_06",
"srtm_50_07",
"srtm_54_04",
"srtm_49_07",
"srtm_56_09",
"srtm_46_09",
"srtm_17_09",
"srtm_42_12",
"srtm_62_01",
"srtm_29_14",
"srtm_53_03",
"srtm_42_14",
"srtm_26_16",
"srtm_60_02",
"srtm_48_05",
"srtm_41_13",
"srtm_43_15",
"srtm_26_14",
"srtm_53_07",
"srtm_21_12",
"srtm_36_06",
"srtm_44_12",
"srtm_51_06",
"srtm_58_02",
"srtm_61_03",
"srtm_44_14",
"srtm_53_08",
"srtm_27_15",
"srtm_46_06",
"srtm_40_15",
"srtm_22_03",
"srtm_64_03",
"srtm_12_01",
"srtm_40_03",
"srtm_43_12",
"srtm_61_01",
"srtm_38_11",
"srtm_35_11",
"srtm_28_14",
"srtm_55_08",
"srtm_22_12",
"srtm_43_14",
"srtm_22_21",
"srtm_48_07",
"srtm_41_14",
"srtm_42_03",
"srtm_26_17",
"srtm_27_14",
"srtm_42_18",
"srtm_34_10",
"srtm_25_13",
"srtm_53_05",
"srtm_38_08",
"srtm_24_11",
"srtm_52_10",
"srtm_24_16",
"srtm_26_13",
"srtm_44_07",
"srtm_38_07",
"srtm_23_12",
"srtm_15_03",
"srtm_26_12",
"srtm_22_14",
"srtm_16_05",
"srtm_23_21",
"srtm_64_02",
"srtm_45_08",
"srtm_16_04",
"srtm_43_08",
"srtm_16_06",
"srtm_43_07",
"srtm_59_03",
"srtm_21_04",
"srtm_36_04",
"srtm_55_04",
"srtm_41_12",
"srtm_35_06",
"srtm_64_01",
"srtm_25_15",
"srtm_18_05",
"srtm_40_17",
"srtm_37_03",
"srtm_45_10",
"srtm_23_11",
"srtm_40_18",
"srtm_40_13",
"srtm_22_20",
"srtm_41_11",
"srtm_23_15",
"srtm_39_08",
"srtm_36_11",
"srtm_44_06",
"srtm_63_03",
"srtm_56_04",
"srtm_59_04",
"srtm_37_06",
"srtm_58_01",
"srtm_62_03",
"srtm_40_12",
"srtm_41_09",
"srtm_43_05",
"srtm_24_15",
"srtm_24_17",
"srtm_62_16",
"srtm_41_19",
"srtm_23_03",
"srtm_42_08",
"srtm_22_04",
"srtm_42_16",
"srtm_42_15",
"srtm_46_08",
"srtm_66_19",
"srtm_52_09",
"srtm_38_06",
"srtm_45_07",
"srtm_57_04",
"srtm_42_09",
"srtm_19_05",
"srtm_17_06",
"srtm_39_09",
"srtm_49_05",
"srtm_52_08",
"srtm_43_17",
"srtm_58_04",
"srtm_61_04",
"srtm_38_09",
"srtm_23_14",
"srtm_36_07",
"srtm_60_12",
"srtm_39_07",
"srtm_34_09",
"srtm_21_05",
"srtm_17_05",
"srtm_21_03",
"srtm_19_06",
"srtm_59_08",
"srtm_45_09",
"srtm_58_10",
"srtm_42_07",
"srtm_40_11",
"srtm_40_09",
"srtm_40_04",
"srtm_23_20",
"srtm_66_17",
"srtm_44_09",
"srtm_59_12",
"srtm_22_13",
"srtm_37_07",
"srtm_65_14",
"srtm_41_10",
"srtm_43_13",
"srtm_40_07",
"srtm_41_08",
"srtm_37_08",
"srtm_46_17",
"srtm_42_19",
"srtm_62_05",
"srtm_18_04",
"srtm_38_10",
"srtm_26_15",
"srtm_18_09",
"srtm_48_01",
"srtm_23_02",
"srtm_17_04",
"srtm_66_20",
"srtm_50_04",
"srtm_41_07",
"srtm_25_16",
"srtm_47_09",
"srtm_16_03",
"srtm_36_05",
"srtm_60_03",
"srtm_35_07",
"srtm_37_04",
"srtm_42_17",
"srtm_25_17",
"srtm_34_08",
"srtm_48_02",
"srtm_24_02",
"srtm_24_14",
"srtm_41_18",
"srtm_55_01",
"srtm_60_17",
"srtm_60_06",
"srtm_41_15",
"srtm_43_09",
"srtm_62_02",
"srtm_57_13",
"srtm_35_10",
"srtm_23_13",
"srtm_47_08",
"srtm_51_08",
"srtm_64_19",
"srtm_46_04",
"srtm_22_23",
"srtm_60_19",
"srtm_20_06",
"srtm_42_11",
"srtm_18_06",
"srtm_27_13",
"srtm_37_09",
"srtm_36_10",
"srtm_52_07",
"srtm_67_18",
"srtm_51_07",
"srtm_36_08",
"srtm_57_01",
"srtm_63_17",
"srtm_56_01",
"srtm_35_08",
"srtm_64_13",
"srtm_53_02",
"srtm_35_04",
"srtm_22_02",
"srtm_45_06",
"srtm_37_10",
"srtm_24_13",
"srtm_19_10",
"srtm_42_10",
"srtm_35_09",
"srtm_46_11",
"srtm_52_03",
"srtm_66_14",
"srtm_36_09",
"srtm_65_16",
"srtm_25_19",
"srtm_61_17",
"srtm_21_11",
"srtm_60_18",
"srtm_63_18",
"srtm_64_17",
"srtm_64_18",
"srtm_43_10",
"srtm_18_03",
"srtm_37_11",
"srtm_62_18",
"srtm_39_10",
"srtm_25_18",
"srtm_20_03",
"srtm_63_16",
"srtm_39_16",
"srtm_66_18",
"srtm_28_17",
"srtm_42_05",
"srtm_48_08",
"srtm_24_19",
"srtm_43_11",
"srtm_49_04",
"srtm_42_04",
"srtm_65_18",
"srtm_46_07",
"srtm_45_12",
"srtm_51_03",
"srtm_62_17",
"srtm_47_07",
"srtm_14_02",
"srtm_65_17",
"srtm_40_10",
"srtm_44_08",
"srtm_12_05",
"srtm_13_06",
"srtm_43_18",
"srtm_54_08",
"srtm_61_18",
"srtm_21_15",
"srtm_69_01",
"srtm_17_08",
"srtm_40_16",
"srtm_53_09",
"srtm_59_13",
"srtm_65_19",
"srtm_24_01",
"srtm_22_16",
"srtm_35_05",
"srtm_58_09",
"srtm_57_12",
"srtm_17_03",
"srtm_23_01",
"srtm_13_01",
"srtm_22_01",
"srtm_16_09",
"srtm_39_04",
"srtm_60_05",
"srtm_24_18",
"srtm_45_03",
"srtm_44_02",
"srtm_20_04",
"srtm_64_05",
"srtm_41_16",
"srtm_67_19",
"srtm_47_05",
"srtm_46_10",
"srtm_50_03",
"srtm_39_02",
"srtm_48_03",
"srtm_19_04",
"srtm_47_01",
"srtm_36_02",
"srtm_44_16",
"srtm_68_02",
"srtm_16_01",
"srtm_48_04",
"srtm_57_10",
"srtm_47_02",
"srtm_22_19",
"srtm_19_09",
"srtm_14_07",
"srtm_41_17",
"srtm_40_02",
"srtm_15_01",
"srtm_43_01",
"srtm_64_16",
"srtm_23_22",
"srtm_63_04",
"srtm_65_04",
"srtm_39_14",
"srtm_56_12",
"srtm_14_01",
"srtm_38_05",
"srtm_71_21",
"srtm_44_03",
"srtm_46_02",
"srtm_15_02",
"srtm_24_20",
"srtm_43_03",
"srtm_39_06",
"srtm_54_01",
"srtm_46_01",
"srtm_49_01",
"srtm_45_01",
"srtm_41_02",
"srtm_49_03",
"srtm_19_03",
"srtm_61_19",
"srtm_38_02",
"srtm_25_02",
"srtm_38_04",
"srtm_63_15",
"srtm_65_20",
"srtm_44_01",
"srtm_43_02",
"srtm_45_02",
"srtm_43_04",
"srtm_60_13",
"srtm_21_02",
"srtm_68_01",
"srtm_17_07",
"srtm_39_15",
"srtm_42_02",
"srtm_42_01",
"srtm_18_02",
"srtm_34_07",
"srtm_16_02",
"srtm_41_05",
"srtm_39_01",
"srtm_44_04",
"srtm_61_13",
"srtm_26_19",
"srtm_29_15",
"srtm_63_13",
"srtm_65_13",
"srtm_34_11",
"srtm_63_06",
"srtm_17_01",
"srtm_38_01",
"srtm_40_19",
"srtm_28_13",
"srtm_19_02",
"srtm_51_02",
"srtm_51_09",
"srtm_37_05",
"srtm_09_01",
"srtm_49_02",
"srtm_53_01",
"srtm_05_01",
"srtm_61_10",
"srtm_52_02",
"srtm_56_10",
"srtm_72_20",
"srtm_50_02",
"srtm_36_01",
"srtm_15_08",
"srtm_66_21",
"srtm_46_03",
"srtm_65_02",
"srtm_17_02",
"srtm_47_04",
"srtm_47_03",
"srtm_61_09",
"srtm_51_01",
"srtm_35_02",
"srtm_50_01",
"srtm_52_01",
"srtm_21_01",
"srtm_25_03",
"srtm_61_16",
"srtm_36_03",
"srtm_41_06",
"srtm_20_10",
"srtm_22_18",
"srtm_27_18",
"srtm_25_11",
"srtm_22_10",
"srtm_20_11",
"srtm_60_08",
"srtm_23_23",
"srtm_65_05",
"srtm_06_01",
"srtm_22_09",
"srtm_61_11",
"srtm_63_19",
"srtm_59_14",
"srtm_58_14",
"srtm_45_17",
"srtm_65_03",
"srtm_65_01",
"srtm_46_15",
"srtm_70_22",
"srtm_66_16",
"srtm_43_06",
"srtm_65_15",
"srtm_40_01",
"srtm_24_03",
"srtm_41_01",
"srtm_20_02",
"srtm_60_11",
"srtm_57_11",
"srtm_62_11",
"srtm_61_07",
"srtm_20_07",
"srtm_25_20",
"srtm_56_11",
"srtm_53_11",
"srtm_23_10",
"srtm_21_08",
"srtm_39_17",
"srtm_61_14",
"srtm_62_19",
"srtm_33_09",
"srtm_33_08",
"srtm_61_08",
"srtm_37_02",
"srtm_39_05",
"srtm_38_12",
"srtm_46_12",
"srtm_18_01",
"srtm_20_13",
"srtm_61_05",
"srtm_55_09",
"srtm_61_12",
"srtm_35_01",
"srtm_60_14",
"srtm_67_17",
"srtm_42_06",
"srtm_62_13",
"srtm_70_21",
"srtm_52_11",
"srtm_64_14",
"srtm_04_01",
"srtm_33_10",
"srtm_71_20",
"srtm_29_16",
"srtm_45_16",
"srtm_26_03",
"srtm_29_13",
"srtm_40_06",
"srtm_48_09",
"srtm_67_01",
"srtm_50_08",
"srtm_64_06",
"srtm_59_18",
"srtm_58_13",
"srtm_10_02",
"srtm_45_15",
"srtm_40_05",
"srtm_23_04",
"srtm_59_17",
"srtm_18_10",
"srtm_67_14",
"srtm_47_10",
"srtm_64_15",
"srtm_20_08",
"srtm_45_13",
"srtm_68_14",
"srtm_62_15",
"srtm_62_12",
"srtm_61_06",
"srtm_24_10",
"srtm_19_08",
"srtm_22_17",
"srtm_66_01",
"srtm_72_21",
"srtm_62_14",
"srtm_21_06",
"srtm_11_03",
"srtm_58_12",
"srtm_72_16",
"srtm_23_09",
"srtm_64_04",
"srtm_67_13",
"srtm_62_06",
"srtm_63_05",
"srtm_38_13",
"srtm_24_21",
"srtm_64_20",
"srtm_14_08",
"srtm_70_17",
"srtm_19_01",
"srtm_21_22",
"srtm_21_09",
"srtm_23_24",
"srtm_26_11",
"srtm_69_02",
"srtm_51_10",
"srtm_70_16",
"srtm_24_04",
"srtm_63_14",
"srtm_05_09",
"srtm_20_14",
"srtm_44_17",
"srtm_62_10",
"srtm_71_22",
"srtm_03_02",
"srtm_47_11",
"srtm_59_09",
"srtm_35_12",
"srtm_50_22",
"srtm_18_07",
"srtm_69_14",
"srtm_57_14",
"srtm_43_19",
"srtm_25_23",
"srtm_66_13",
"srtm_05_08",
"srtm_20_09",
"srtm_22_08",
"srtm_66_04",
"srtm_61_15",
"srtm_33_07",
"srtm_66_15",
"srtm_04_02",
"srtm_29_23",
"srtm_60_10",
"srtm_58_11",
"srtm_18_13",
"srtm_67_15",
"srtm_56_13",
"srtm_67_20",
"srtm_69_17",
"srtm_55_10",
"srtm_24_23",
"srtm_48_17",
"srtm_46_18",
"srtm_47_16",
"srtm_13_07",
"srtm_21_23",
"srtm_24_09",
"srtm_12_06",
"srtm_66_03",
"srtm_69_15",
"srtm_01_02",
"srtm_21_10",
"srtm_22_05",
"srtm_02_02",
"srtm_53_10",
"srtm_62_07",
"srtm_67_03",
"srtm_02_15",
"srtm_65_21",
"srtm_31_05",
"srtm_07_01",
"srtm_70_15",
"srtm_47_15",
"srtm_18_08",
"srtm_32_09",
"srtm_08_01",
"srtm_30_14",
"srtm_54_09",
"srtm_19_07",
"srtm_34_02",
"srtm_21_07",
"srtm_71_02",
"srtm_70_01",
"srtm_19_11",
"srtm_51_22",
"srtm_25_01",
"srtm_20_01",
"srtm_07_16",
"srtm_28_01",
"srtm_15_09",
"srtm_45_18",
"srtm_55_11",
"srtm_39_18",
"srtm_60_09",
"srtm_72_02",
"srtm_21_16",
"srtm_27_12",
"srtm_22_24",
"srtm_71_19",
"srtm_70_02",
"srtm_70_23",
"srtm_01_16",
"srtm_33_06",
"srtm_36_12",
"srtm_31_09",
"srtm_01_21",
"srtm_32_10",
"srtm_51_23",
"srtm_60_20",
"srtm_08_14",
"srtm_18_12",
"srtm_47_22",
"srtm_19_13",
"srtm_09_14",
"srtm_44_22",
"srtm_65_10",
"srtm_06_16",
"srtm_63_11",
"srtm_20_12",
"srtm_66_09",
"srtm_08_16",
"srtm_68_11",
"srtm_25_10",
"srtm_06_09",
"srtm_48_13",
"srtm_02_16",
"srtm_05_12",
"srtm_30_05",
"srtm_68_23",
"srtm_21_21",
"srtm_05_02",
"srtm_03_16",
"srtm_14_09",
"srtm_51_12",
"srtm_04_08",
"srtm_35_16",
"srtm_15_18",
"srtm_01_17",
"srtm_62_08",
"srtm_34_20",
"srtm_71_12",
"srtm_01_15",
"srtm_51_11",
"srtm_67_11",
"srtm_05_17",
"srtm_58_15",
"srtm_70_11",
"srtm_66_10",
"srtm_71_11",
"srtm_69_11",
"srtm_03_01",
"srtm_02_17",
"srtm_49_16",
"srtm_65_07",
"srtm_02_01",
"srtm_09_17",
"srtm_07_15",
"srtm_35_21",
"srtm_34_14",
"srtm_64_11",
"srtm_60_16",
"srtm_37_23",
"srtm_52_20",
"srtm_03_15",
"srtm_46_14",
"srtm_69_16",
"srtm_59_19",
"srtm_20_19",
"srtm_21_19",
"srtm_35_03",
"srtm_70_10",
"srtm_63_12",
"srtm_07_17",
"srtm_72_13",
"srtm_51_14",
"srtm_24_06",
"srtm_68_15",
"srtm_05_16",
"srtm_71_13",
"srtm_08_18",
"srtm_09_16",
"srtm_06_17",
"srtm_27_01",
"srtm_10_17",
"srtm_63_07",
"srtm_72_14",
"srtm_70_18",
"srtm_72_15",
"srtm_01_18",
"srtm_72_22",
"srtm_65_08",
"srtm_02_13",
"srtm_05_14",
"srtm_08_17",
"srtm_68_19",
"srtm_11_17",
"srtm_08_15",
"srtm_30_13",
"srtm_70_13",
"srtm_48_16",
"srtm_70_14",
"srtm_47_14",
"srtm_25_04",
"srtm_56_15",
"srtm_02_14",
"srtm_48_15",
"srtm_51_13",
"srtm_31_17",
"srtm_04_15",
"srtm_66_11",
"srtm_09_15",
"srtm_71_16",
"srtm_67_02",
"srtm_60_15",
"srtm_06_13",
"srtm_19_12",
"srtm_65_11",
"srtm_37_01",
"srtm_59_11",
"srtm_69_10",
"srtm_48_14",
"srtm_70_12",
"srtm_04_12",
"srtm_68_13",
"srtm_04_11",
"srtm_06_14",
"srtm_01_07",
"srtm_65_06",
"srtm_70_09",
"srtm_67_12",
"srtm_10_18",
"srtm_03_09",
"srtm_34_21",
"srtm_21_18",
"srtm_66_08",
"srtm_01_19",
"srtm_06_15",
"srtm_71_10",
"srtm_20_18",
"srtm_64_10",
"srtm_02_07",
"srtm_15_10",
"srtm_68_16",
"srtm_04_16",
"srtm_01_12",
"srtm_71_17",
"srtm_59_10",
"srtm_12_17",
"srtm_30_24",
"srtm_63_08",
"srtm_67_08",
"srtm_64_08",
"srtm_67_16",
"srtm_04_14",
"srtm_71_15",
"srtm_68_17",
"srtm_03_08",
"srtm_68_24",
"srtm_34_01",
"srtm_13_08",
"srtm_47_13",
"srtm_50_23")
return(srtm_list)
}