S/2D - 9/2^ 



1 O 



EJRF BILEIXI CHRNMEl- 



9/20 - 9/2*1 





. oo p- 



, eo E- 



, eo E- 



, yo E- 



, eo E- 



, so E- 



, 4o f- 

 so 



. 20 



, xo E- 



, DO 



r (b 



AA /! 



eiF-R GUl_F'PE)RT 



9/20 - 9/2*1 



Figure 7.17. Bottom orbital speed at three stations during 9/20/80 

 to 9/25/80. 



191 



