Track15 



N 



38000 - 



37000 — 



166°- 



2 1 6 5°- 



cc 



I 



dc 



-"' MH 



— 2' 



— 6° 



--10° 



- 170° 



- 169° 



5°- 



(eostl 



Figure 10. Observed rnagnet Ic components (F; I . and aircraft heading 

 elements (TH; MH) used in the computation of D. C/C represents a 

 course change. 



31 



