5
GPS OPERATION
5-10
■ Checking your GPS location (Continued)
D About the Grid Locator
Grid Locator (GL) is a position compressed into a 6 character code, calculated by the
longitude and the latitude.
The locator is simply calculated by dividing the earth surface into squares.
It is used to nd the area of a transceiver station.
Square
Subsquare
Field
PM75VN
D About the Course
The course displayed on the GPS POSITION screens are indicated in degrees.
N
E
S
W
0°
45°
90°
135°
180°
225°
270°
315°
00
09
08
07
06
05
04
03
02
01
19
18
17
16
15
14
13
12
11
29
28
27
26
25
24
23
22
21
10
20
01 11 21
22
12
02
23
13
03
24
14
04
90
99
98
97
96
95
94
93
92
91
91
92
93
94
80
89
88
87
86
85
84
83
82
81
81
82
83
84
70
79
78
77
76
75
74
73
72
71
71
72
73
74
60
69
68
67
66
65
64
63
62
61
61
62
63
64
50
59
58
57
56
55
54
53
52
51
51
52
53
54
40
49
48
47
46
45
44
43
42
41
41
42
43
44
The grid locator map of Japan
140°
40°
PN
PM
QN
QM
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