178 



175 



174 — 

 HO 



Station 7.5 



23 Sept. 1976 



15 Aug. 1975 



Zi. July 1967 



,^' 



100 90 60 70 60 50 40 30 20 

 Distance from Base (m) 



-10 -20 -30 -40 



184 r 



163 



182 



181 I- 



180 



179 



178 



177 



(76 



175 



174 



STATION 8 



I Sept. 1976 



1 1 Aug. 1975 



6Moy 1971 



l2Moy l9o9 



- 22 July 1967 



i:^ 



100 90 80 70 60 50 



40 30 20 10 

 Oittance from Bas« (m) 



-10 -20 -30 -40 -50 



61 



