135
GST: GNSS Pseudo-range Error Statistics
$--GST,m1,f2,f3,f4,f5,f6,f7,f8*cc
GSV: GNSS Satellites in View
$--GSV,d1,d2,d3,n(d4,d5,d6,f7),h8*cc
Parameter
Description
Range
“$--GST”
Header
$GPGST: Only GPS satellites are used.
$GLGST: Only GLONASS satellites are used.
$GNGST: Several constellations (GPS, SBAS,
GLONASS, BEIDOU) are used.
$GPGST,
$GLGST,
$GNGST
m1
Current UTC time of position (hhmmss.ss)
000000.00-
235959.99
f2
RMS value of standard deviation of range inputs
(DGNSS corrections included), in meters
0.000-999.999
f3
Standard deviation of semi-major axis of error
ellipse, in meters
0.000-999.999
f4
Standard deviation of semi-minor axis of error
ellipse, in meters
0.000-999.999
f5
Orientation of semi-major axis of error ellipse, in
degrees from true North
0 to 180
f6
Standard deviation of latitude error, in meters
0.000-999.999
f7
Standard deviation of longitude error, in meters
0.000-999.999
f8
Standard deviation of altitude error, in meters
0.000-999.999
*cc
Checksum
*00-*FF
Parameter
Description
Range
“$--GSV”
Header
$GPGSV: GPS satellites.
$GLGSV: GLONASS satellites
$GAGSV: GALILEO satellites
$GSGSV: SBAS satellites (including
QZSS L1 SAIF)
$GQGSV: QZSS satellites
$GBGSV: BeiDou satellites
$GIGSV: IRNSS satellites
$GPGSV,
$GLGSV
$GAGSV
$GSGSV
$GQGSV
$GBGSV
$GIGSV
d1
Total number of messages
1-4
d2
Message number
1-4
d3
Total number of satellites in view
0-16
d4
Satellite PRN
GPS: 1-32
GLONASS: 65-96
SBAS: 1-44
GALILEO: 1-30
QZSS: 1-5
BEIDOU: 1-35
IRNSS: 1-7
d5
Elevation in degrees
0-90
d6
Azimuth in degrees
0-359
f7
SNR in dB.Hz
30.0-60.0
h8
Signal ID
0-F
*cc
Checksum
*00-*FF
Содержание SP90m
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