S A N J O S E N A V I G A T I O N , I N C .
P r o f e s s i o n a l i n N a v i g a t i o n & C o m m u n i c a t i o n
S
S
A
A
N
N
J
J
O
O
S
S
E
E
N
N
A
A
V
V
I
I
G
G
A
A
T
T
I
I
O
O
N
N
,
,
I
I
N
N
C
C
.
.
9F NO. 105 SHI-CHENG ROAD, PAN-CHIAO CITY
TAIPEI HSIEN, TAIWAN, R.O.C.
TEL: 886-2-26879500
FAX: 886-2-26878893
WWW.SANAV.COM
27
ISO 9001
NO. T2000-351
8.5 $GPGGA (out) – Position, altitude, UTC, etc.
Example
$GPGGA ,123456
,3444.0000,N ,13521.0000,E ,1 ,04
,02.00 ,000123.0
Field#
1
2 3
4 5
6
7
8
9
,M ,0036.0
,M ,13 ,0001
*076
CR
LF
10 11 12 13
14
15
#. Description
Range
[Bytes]
1. UTC
“12”: hh
“34”: mm
“56”: ss
00-23
00-59
00-59
[2]
[2]
[2]
2-3. Latitude
“34”: degree
“44”: minute (integer)
“1234”: minute (fraction)
“N”: North/South
00-90
00-59
0000-9999
N or S
[2]
[2]
[4]
[1]
4-5 Longitude
“135”: degree
“21”: Minute (integer)
“0000”: Minute (fraction)
“E”: East/West
000-180
00-59
0000-9999
E or W
[3]
[2]
[4]
[1]
6. GPS Quality Indication
0-2
[1]
“0”: Fix not available or invalid.
“1”: GPS. SPS fix valid
“2”: DGPS. SPS fix valid.
7. No. of satellites used for
positioning
00-12
[2]
8. DOP (2D: HDOP 3D: PDOP)
n/a
[5]
Note: “00.00” is output while positioning is interrupted.
9. Altitude
-00999.9 to 017999.9
[8]
10. Unit for Altitude
M
[1]
11. Geoide Altitude
-999.9 to 9999.9
[6]
12. Unit for Geoide Altitude
M
[1]
13. DGPS Data Time
00-99
[2]
This value indicates the time elapsed since the last RTCM-SC104 TYPE 1 or 9 data is updated.
Unless DGPS mode is selected, a null field is output.
14. DGPS Station ID
0000-1023
[4]
Unless DGPS mode is selected, a null field is output.
