your position is our focus
4.6.11.2 SBAS Configuration
onfig)
–
SBAS
(SBAS
C
e.
To
configure
the
SBAS
functionalities
use
the
UBX
proprietary
message
UBX
–
CFG
(C
onfiguration)
messag
Parameter
Description
SBAS Subs
Enables
or
disa
te
ystem
bles
the
SBAS
subsys m
Mode
Allow test mode usage
0)
Allow
/
Disallo
SBAS
usage
from
satellites
in
Test
Mode
(Message
0)
(Msg
w
Ranging
Use
the
SBAS
satellites
for
navigation
Apply SBAS correction
data
Combined
enable/disable
switch
for
Fast-,
Long-Term
and
Ionosphere
Corrections
Services/
Apply integrity
information
Use
integrity
data
Usage
Number of search channels
Sets
on
how
many
channels
SBAS
satellites
are
searched
in
parallel.
SBAS
satellites,
which
are
already
received,
do
not
count
for
the
maximum.
PRN Mask
Allows
to
selectively
enable/disable
SBAS
satellite.
With
this
parameter,
for
example,
one
can
restrict
SBAS
usage
to
WAAS-
only
Table 39: SBAS parameters
e
SBAS
search
channel
and
it
will
use
any
received
SBAS
satellites
for
4.6.11.3 SBAS Status Information
By
default
SBAS
is
enabled
with
on
navigation.
Parameter
Description
GEO/ ID
SBAS
GEO
which
is
used
for
receiving
correction
data
is
shown
(this
GEO
is
atically
chosen nd can
change
depending
on
signal
conditions
and
e
from
the
rec iver’s
autom
distanc
a
e
location)
System
SBAS
System,
which
is
b
on
(WAAS,
EGNOS,
etc.)
eing
used
for
correcti
data
Mode
Indicates
the
mode
of
th tracked
SBAS
satellite
(Disable,
Testmode,
Operational)
e
For each received GNSS
•
The
signal (GPS and SBAS)
SV
Number
•
UDRE;
monitoring
status
as
defined
in
DO-229C
•
Whether
or
not
fast
corrections
are
used
for
this
SV.
The
PRC
value
in
meters
is
given
•
Whether
or
not
Ionosphere
corrections
are
used
for
this
SV.
The
slant
PRC
delay
is
given
in
meters.
•
Whether
or
not
Long
term
corrections
are
used
for
this
SV
•
Whether
or
not
Integrity
Data
is
used
for
this
SV
•
The
GNSS
system
for
this
SV
(currently
limited
to
GPS
or
SBAS)
•
The
Services
and
Status
provided
by
this
SV.
Can
be
a
combination
of
‘Ranging’,
‘Correction
Data’,
‘Integrity
Information’
and
‘Testmode’.
GPS
does
not
monitor
SBAS
correction
data.
That
message
is
used
for
monitoring
RTCM-input,
only!
!
The
ANTARIS
®
4
SBAS
implementation
is
not
certified,
nor
is
it
planned
to
get
certification
for
avionics.
ANTARIS
®
4
GPS
receivers
shall
not
–
under
any
circumstances
–
be
used
for
safety-of-life
applications
or
avionics
navigation.
Note
The
Message
UBX-NAV-D
Warning
GPS
Modules
-
System
Integration
Manual
(SIM)
(incl.
Reference
Design)
Receiver
Description
GPS.G4-MS4-05007-A1
Page 107