C-Nav 1000 R4, Installation Manual

Page: 51 / 82

APPENDICES Page 45
GST – GNSS pseudorange error statistics
$--GST,hhmmss.ss,x.x,x.x,x.x,x.x,x.x,x.x,x.x
Field Format Name Comment
1 --GST Sentence Id
2
hhmmss.
ss UTC time of associated GGA or
GNS fix
3 x.x RMS value
4 x.x
Standard deviation of semi-
major axis
5 x.x Standard deviation of semi-
minor axis
6 x.x
Orientation of semi-major
axis
7 x.x
Standard deviation of
latitude error
8 x.x Standard deviation of
longitude error
9 x.x
Standard deviation of
altitude error
GSV – GNSS satellites in view
$--GSV,x,x,xx,xx,xx,xxx,xx,…
Field Format Name Comment
1 --GSV Sentence Id
2 x Total number of messages
3 x Message number
4 x Total number of satellites in
view
5 xx
Satellite ID number
(Satellite 1)
6 xx Elevation, degrees (Satellite
1)
7 xxx Azimuth, degrees true
(Satellite 1)
8 xx SNR (Satellite 1)
… … …
Fields for all
satellites are
used
RMC – Recommended minimum specific GNSS data
$--RMC,hhmmss.ss,A,llll.ll,a,yyyy.yy,a,x.x,x.x,xxxxxx,x.x,a,a
Field Format Name Comment
1 --RMC Sentence Id
2
hhmmss.
ss
UTC of position
3 A Status
4 llll.ll
5 a
Latitude
6 yyyy.yy
7 a
Longitude
8 x.x Speed over ground, knots
9 x.x
Course over ground, degrees
true
10 xxxxxx Date
11 x.x
12 a
Magnetic variation Null fields
13 a Mode indicator