GO TO FIRST LOCATION LOOK FOR POSTED SIGN ON GATE.
N33 52. ABC
W117 21.DEF
A= FIRST NUMBER IN PHONE NUMBER TOP LINE.
B=FIRST NUMBER IN PHONE NUMBER SECOND LINE
C= THIRD NUMBER FOR PHONE NUMBER TOP LINE ---NORTH CHECK SUM IS 19
D= THIRD NUMBER FOR PHONE NUMBER SECOND LINE
E= LAST DIGIT OF ZIP CODE
F=FIRST NUMBER IN RED ---WEST CHECK SUM IS 6