86 
HF Radar Current Speed(cm/s) HF Radar Current Speed(cm/s) 
50 
40 
a 
oo 
v 
a 30 - 
Q 20 
10 
O RMS I)ilfercnce(Speed)l 
Sl.c5 
X RMS Difference! Direction)I 
St.c3i 
Sl.cfi 
X 
Slid 
i X 
i ■ 
$l.c4 
; X 
O 
Si 
X 
O 
2 St.c8 
* 
i- - 40 
Ò 
f ! — 20 
100 
80 
60 
Q I 1 1 I I 1 1 1 1 1 1 1 1 1 1 1 1 Q 
90 100 110 120 130 140 150 160 170 180 
Cross Angle(" ) 
Figure 2 Relation between rms difference 
and cross angle of HFOSR beam 
50 
40 - 
30 - 
5 20 
St;c5 
□ 
RMS Difference(Speed)j 
+ 
RMS DifferenceiIErection)| 
4—v r t - 60 
St.«j2 
+ 
□ 
10 - 
+ 
+ 
St.c6 Sud 
j St.c4 ; 
1 . . . . i... . i. -L , .. 
Sl.c8 
□ 
St.c3 
100 
80 
- 40 
20 
10 20 30 40 
50 
Water Dcpth(m) 
Figure 3 Relation between rms difference 
and water depth 
Velocimeter Current Speed(cm/s) Velocimeter Current Direction(deg) 
Figure 4 Correlation of ocean surface current velocities at St.cl 
Velocimeter Current Speed(cm/s) Velocimeter Current Direction(deg) 
Figure 5 Correlation of ocean surface current velocities at St.c3 
RMS Difference(Dircction)