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
24
ISO 9001
NO. T2000-351
8.3 $GPRMC (out) – UTC, position, course, speed, etc.
Example
$GPRMC ,123456 ,A
,3444.1234,N ,13521.4567,E ,005.6……
,123.5
,020197
Field#
1
2
3 4
5 6
7
8
9
,001.0,W ,A
*07
CR
LF
10 11
12
13
#. Description
Range
[Bytes]
1. UTC: Time
“12”: hh
“34”: mm
“56”: ss
00-23
00-59
00-59
[2]
[2]
[2]
2. Status
A or V
“A”: Data valid
(Stand-alone or DGPS)
“V”: Navigation receiver warning
[1]
3-4. 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]
5-6 Longitude
“135”: degree
“21”: Minute (integer)
“4567”: Minute (fraction)
“E”: East/West
000-180
00-59
0000-9999
E or W
[3]
[2]
[4]
[1]
7. Speed (kts)
000.0-999.9
[5]
Note: A null field is output unless speed information is available.
8. True Course (degree)
“123.5”
000.0-359.9
[5]
Note: A null field is output unless true course information is available.
9. UTC: Date
“02”: DD
“01”: MM
“97”: YY
01-31
01-12
97-40
(1997-2040)
[2]
[2]
[2]
10-11 Magnetic Deviation (degree)
“001.0”
“W”
000.0-180.0
W or E
“W”: West (MAG = TRUE-DEV)
“E”: East (MAG = TRUE+DEV)
[5]
[1]
12 Positioning System Mode Indication
A: Autonomous mode
D: Differential mode
N: Data not valid
[1]
