
SIM66 Series_NMEA Message_User Guide_V1.01
www.simcom.com
11 / 25
(2) (3) (4) (5) (6) (7): Only supported by firmware with the version of R3.4.0.0 or above
2.3.4 Message ID GSV: Visible GNSS Satellites
Syntax:$GSV,NoMsg,MsgNo,NoSv,sv1,elv1,az1,cno1,sv2,elv2,az2,cno2,sv3,elv3,az3,cno3,sv4,el
v4,az4,cno4,signalID*cs
Example:
$GPGSV,3,01,11,02,34,277,41,03,16,043,35,05,04,215,35,06,69,333,48,0*57
$GPGSV,3,02,11,09,25,110,41,12,31,305,43,17,55,116,46,19,76,088,46,0*56
$GPGSV,3,03,11,23,23,077,40,25,04,328,32,28,05,171,36,0*67
$GBGSV,3,01,12,01,37,145,42,02,34,225,39,03,44,188,42,04,25,123,37,0*4C
$GBGSV,3,02,12,05,17,249,36,06,30,169,38,07,03,188,31,08,69,027,43,0*4E
$GBGSV,3,03,12,09,09,186,34,10,15,211,36,12,26,306,40,13,60,316,44,0*48
Parameter
Format
Description
--
STR
System identification
GP GPS satellite information
GB BDS satellite information
GL GLONASS satellite Information(1)
GA Galileo satellite Information(2)
NoMsg
UINT
Total number of GSV messages, the minimum value is 1
NoMsg is the total number of GSV messages in this
system, for example:
NoMsg in GPGSV is the total number of GPGSV
messages, excluding the number of GBGSV messages
MsgNo
UINT
Number of this GSV message. The minimum value is
1.MsgNo is the number of the GSV message in this system
NoSv
UINT
Total number of visible satellites in this system
sv1~sv4
UINT
Satellite number of the first to fourth satellite
GPS satellite number is 01~32
BDS satellite number is 01~14
GLONASS satellite number is 65~92(3)
Galileo satellite number is 01~36(4)
QZSS satellite number is 193, 194, 195, 199(5)
SBAS (6):
WAAS satellite number is 53, 55, 58
EGNOS satellite number is 40, 44, 46
MSAS satellite number is 49, 57
GAGAN satellite number is 47, 48
elv1~elv4
UINT
Elevation angle of the first to fourth satellite (0~90
degrees),fixed output of 2 digits, add zero up front if less
than 2 bits
az1~az4
UINT
Azimuth of the first to fourth satellite (0~359 degrees), fixed
output of 3 digits, add zero up front if less than 3 bits