101
9.8 Select code file
In the second page of “Menu”,press [3](Select CodeFile) to
enter the interface of “Select CodeFile”
Select CodeFile
Num.
List
B.S
Enter
File：
123.COO
9.9 Gird scale
Formula:
1)
Altitude factor= R / (R+Altitude)
R:the earth's average curvature radius
Altitude: Altitude above the mean sea level
2)
Scale factor
Scale factor:the measurement station scale factor
3)
Grid scale factor of coordinate
Grid scale factor of coordinate=Altitude factor × Scale
factor
Distance calculation:
1)
Grid scale distance(HDg)= HD×Grid scale factor
HD= distance on the ground
2)
Distance on the ground(HD)= HDg/Grid scale factor
悬高测量-棱镜点
点名
清空
回退
确认
77°18′33″
169°11′14″
4.351 m
Grid scale
=
Clear
B.S
Enter
Altitude:
Scale:
0.999984
0.000
1.000000
m
After input altitude, you can press [Enter] to calculate
the “Scale”,as shown in the picture above. Press [ENT]
to save the scale gird and exit this interface. Exceptions:
