SBAS Corrections
Satellite Navigation
155
User Manual 1178.6379.02 ─ 01
Fast Correction Data Parameters
Sets the fast correction data parameters per PRN.
"UDREI"
User Differential Range Error Indicator
"UDRE"
User Differential Range Error value
"Sigma"
UDRE accuracy
σ
2
UDRE
, see
"PRC"
Pseudo Range Corrections
"Alert"
If enabled, simulates a short-term alarm, i.e. a coarse integrity "don't
use" information.
13.4.3.5
Long-Term Correction File Configuration Settings
Access:
1. Select "Satellites > SBAS > Error Correction Mode > Replay Historical Data (and
Sync Atmosphere & SV Errors)".
2. Select "SV# > SV Config > Signals Configuration > Nav Msg Content > Config >
Differential Corrections".
3. For a PRN, select
"PRN > Configuration > Long Term Corrections"
.
The long-term corrections contain the fast correction parameters of MT 1, 24 and
25.
MT 25 and the long-term data set part of MT 24 carry error estimates for slow vary-
ing satellite ephemeris (SV location) and clock errors, including velocity and drift
errors.
SBAS Settings
