NORTH POLAR AREA 
10 i 
AREAS OF HIGH RESIDUALS AND NO DATA 
140° 
tt 
9 1560 1559 1558 1357 | 
1606 | 1607 | 
1614 > | 5 1647 1646 1645 1642 
/ 5 1648 | 1649 1652 1653 
721 1719 1718 wi? 1716 74 l 
[oan + Ly SS 
10' ) 120 130' 140 160 170' 180 
1594 | 1595 
30 40) 50 
= a so | MEDIAN > 0.52 
150 
FIGURE 2 
[ _] NO DATA 
