Go to the waypoint and find out yourself !
Note : check for your answer outside the green fence; enter at your own risk if the gate is open!
++Count the number of electrical spot-lights installed in front of the signage, take the number as "A".++
Use the formula to calculate the final coordinates with "A" :
N 01° 27.[A+3] [AXA] [A+7]
E 103° 49 . [6+A] [AX3] [A+6]
You can check your answers for this puzzle on GeoChecker.com.