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羅經讀數,又種羅經點,是指羅盤上的32個基本方位,一般自0度(正北方)順序排列出來。
#
|
方位
|
簡稱.
|
方位角
|
1
|
北
|
N
|
0.00°
|
2
|
North by east
|
NbE
|
11.25°
|
3
|
東北北
|
NNE
|
22.50°
|
4
|
Northeast by north
|
NEbN
|
33.75°
|
5
|
東北
|
NE
|
45.00°
|
6
|
Northeast by east
|
NEbE
|
56.25°
|
7
|
東北東
|
ENE
|
67.50°
|
8
|
East by north
|
EbN
|
78.75°
|
9
|
東
|
E
|
90.00°
|
10
|
East by south
|
EbS
|
101.25°
|
11
|
東南東
|
ESE
|
112.50°
|
12
|
Southeast by east
|
SEbE
|
123.75°
|
13
|
東南
|
SE
|
135.00°
|
14
|
Southeast by south
|
SEbS
|
146.25°
|
15
|
東南南
|
SSE
|
157.50°
|
16
|
South by east
|
SbE
|
168.75°
|
17
|
南
|
S
|
180.00°
|
18
|
South by west
|
SbW
|
191.25°
|
19
|
西南南
|
SSW
|
202.50°
|
20
|
Southwest by south
|
SWbS
|
213.75°
|
21
|
西南
|
SW
|
225.00°
|
22
|
Southwest by west
|
SWbW
|
236.25°
|
23
|
西南西
|
WSW
|
247.50°
|
24
|
West by south
|
WbS
|
258.75°
|
25
|
西
|
W
|
270.00°
|
26
|
West by north
|
WbN
|
281.25°
|
27
|
西北西
|
WNW
|
292.50°
|
28
|
Northwest by west
|
NWbW
|
303.75°
|
29
|
西北
|
NW
|
315.00°
|
30
|
Northwest by north
|
NWbN
|
326.25°
|
31
|
西北北
|
NNW
|
337.50°
|
32
|
North by west
|
NbW
|
348.75°
|