"name" "time" "jd" "wd" "status" "v" "angle" "X"
"1549" "粤B000H6" "2011/04/18 23:17:33" 114.060669 22.520901 1 34 1 NA
"1578" "粤B000H6" "2011/04/18 23:35:22" 114.088448 22.541367 1 17 1 NA
"1586" "粤B000H6" "2011/04/18 23:45:24" 114.116119 22.541416 1 0 4 NA
"1627" "粤B000H6" "2011/04/19 00:31:24" 114.132896 22.579599 1 26 6 NA
"1684" "粤B000H6" "2011/04/19 01:01:56" 114.104103 22.558399 1 34 0 NA
"1810" "粤B000H6" "2011/04/19 07:04:21" 114.13665 22.582451 1 11 3 NA
"1846" "粤B000H6" "2011/04/19 07:22:21" 114.114571 22.561117 1 36 7 NA
如提取出2011/04/18的数据。谢谢各位大神。