4-SYNTHETIC TRACKS 

 SPACED 5' 



i;— FIVE- DEGREE SQUARE 



4- FIRST TRACK 

 4 MSQLOC AREA 



(B)^ 



y»4- SYNTHETIC TRACKS 

 ^ SPACED 5' 



•SHORT TRACK 



FIVE-DEGREE SQUARE 



4— FIRST TRACK 

 4 MSQLOC AREA 



FIGURE 6. EXAMPLE OF SYNTHETIC TRACK ORIENTATION 



