e 1000 , n 1000 , l 100 99 e , n 610 100 1000 100 50 100 1050 100 99.982 1045.20 98.50 100 1000 100 99.982 1045.20 98.50
: : 00"00"00 :
610
( ) ..
stn E:1000, N:1000 . STN , B.S E: :N B.S } STN , B.S SURVEY COORDINATE STN , B.S B.S
40 20