Yuechung International Corp. (YIC)

9

URL: www.yic.com.tw

E-mail: service@yic.com.tw

Y

YI

IC

C

GR Series

4. Protocol

4.1

GGA-Global Positioning System Fixed Data

For example:

$xxGGA,161229.487,3723.24751,N, 12158.34160,W, 1,07,1.0,9.0,M.0000*18

Field Name

Example

Units

Description

1

Message ID

$xxGGA

GGA protocol header

2

UTC Position

161229.487

hhmmss.sss

3

Latitude

3723.24571

ddmm.mmmm

4

N/S indicator

N

N=north or S=south

5

Longitude

12158.34160

dddmm.mmmm

6

E/W Indicator

W

E=east or W=west

7

Position Fix Indicator 1

See Table 1-1

8

Satellites Used

07

Range 0 to 12

9

HDOP

1.0

Horizontal Dilution of Precision

10

MSL Altitude

9.0

meters

11

Units

M

meters

12

Geoids Separation

meters

13

Units

M

meters

14

Age of Diff.Corr.

second

Null fields when DGPS is not Used

15

Diff.Ref.Station ID

0000

16

Check sum

*18

17

<CR> <LF>

End of message termination