There is a sign at the posted coordinates with a number on the back of it. Use that number to fill in the rest of the coordinates.
N 45° AB.CDE W 093°FG.HIJ
A=The third digit
B=The seventh digit + the 2 digits that are the same
C=The first 2 digits added together
D=The second and sixth digits added together
E=The fourth digit
F=The fifth digit
G=The second digit minus the fourth digit minus the fifth digit
H=The sixth digit
I=The seventh digit
J=The sixth digit plus the fourth digit