Perturbations and Errors Simulation
Satellite Navigation
119
User Manual 1178.6379.02 ─ 01
GPS > Orbit
Comprises the orbit parameters of the GPS satellites.
Parameter
Remote command:
Issue of Data, Ephemeris - IODE
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:IODE
Reference Time of Ephemeris - t
0e
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:TOE
Square Root of Semi-Major Axis - A
1/2
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:SQRA
Eccentricity - e
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:ECCentricity
Inclination Angle - i
0
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:IZERo
Longitude of Ascending Node - Ω
0
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:OZERo
Argument of Perigee -
ω
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:OMEGa
Mean Anomaly - M
0
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:MZERo
Rate of Inclination Angle - i'
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:IDOT
Rate of Right Ascension - Ω'
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:ODOT
Mean Motion Difference - Δ
n
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:NMESsage:LNAV:
EPHemeris:NDELta
GPS > Orbit Perturbation
Comprises the parameters of the GPS satellites.
Table 12-1: LNAV and CNAV
Parameter
Remote command:
Cosine Difference of Latitude - C
uc
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:
NMESsage:LNAV:EPHemeris:CUC
Sine Difference of Latitude - C
us
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:
NMESsage:LNAV:EPHemeris:CUS
Cosine Difference of Orbital Radius - C
rc
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:
NMESsage:LNAV:EPHemeris:CRC
Sine Difference of Orbital Radius - C
rs
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:
NMESsage:LNAV:EPHemeris:CRS
Cosine Difference of Inclination - C
ic
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:
NMESsage:LNAV:EPHemeris:CIC
Sine Difference of Inclination - C
is
[:SOURce<hw>]:BB:GNSS:SVID<ch>:GPS:
NMESsage:LNAV:EPHemeris:CIS
Orbit and Orbit Perturbation Errors Settings