You need to rearrange the 8 letters to form a word or phrase associated with the LASEC series.
Where 'a' is the digit associated with the first letter, 'b' is the digit associated with the second letter, 'c' is the digit associated with the third letter, ...... 'h' is the digit associated with the eighth letter.
The first 4 digits (abcd) are for the North coordinate N53 1a.bcd and the last 4 digits (efgh) are for the West coordinate W 002 0e.fgh.