DGPS224(JLR-4341)
15/20
(9)GBS (GPS satellite fault detection for RAIM)
Version 2.1, 2.3, IEC only
$GPGBS,hhmmss.ss,uxxx.x,uxxx.x,uxxx.x,xx,x.xxxxx,uxxxx.x,xxxx.x*hh<CR><LF>
1 2 3 4 5 6 7 8 9
1
: Measured UTC (hr. min. sec. 1/100 sec)
2
: Latitude estimated error [m] u: sign (+,-)
The sign is omitted if value is positive. (IEC)
3
: Longitude estimated error [m] u: sign (+,-)
The sign is omitted if value is positive. (IEC)
4
: Elevation estimated error [m] u: sign (+,-)
The sign is omitted if value is positive. (IEC)
5
: Faulty satellite ID GPS: 1-32(NULL is inserted when faulty satellite cannot be
decided.)
SBAS satellites 120 to 138 are represented by 33 to 51.
33 to 64 are reserved for SBAS satellite use.
6
: Faulty satellite detection overlook ratio (0.00000 to 1.00000)
7
: Estimated bias [m] u: sign (+,-) The sign is omitted if value is positive. (IEC)
8
: Standard bias deviation [m]
9 :
Checksum
(10)MSS (Beacon Receiver Status)
Version 2.1 only
$GPMSS,
ＩＩＩ
,SSS,FFF.F,BBB*hh<CR><LF>
1 2 3 4 5
Version 2.3, IEC only
$GPMSS,
ＩＩＩ
,SSS,FFF.F,BBB,x*hh<CR><LF>
1 2 3 4 5 6
1
: Signal level
2 :
SNR
3 :
Frequency
4
: Bit rate
5 :
Checksum
5
: Beacon channel: 1 or Null (Version2.3, IEC)
6 : Checksum